Windows 11 KB5074109: NVIDIA Fix for Gaming Performance

Discover why the January 2026 update is causing black screens and FPS drops, and how to restore your PC's stability.

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Hook & Who This Is For

Performance drops and system instability reported following January 2026 security patch.

You just finished installing the latest Windows 11 updates, expecting a more secure and stable system, only to find your gaming performance has plummeted. Many users report that after the most recent patch, games that previously ran smoothly are now plagued by black screens, visual artifacts, or significant stuttering ^[7][9][12]. If your PC feels "broken" immediately after a restart, you are likely encountering a known conflict between specific system files and your graphics hardware.

This article is designed for PC gamers and enthusiasts using NVIDIA GeForce hardware on Windows 11 systems ^[14]. It specifically addresses the fallout from the January 2026 update (build KB5074109), which has been linked to severe performance degradation ^[2][3][15].

The following information covers:

• The official warnings issued by NVIDIA regarding driver compatibility ^[8][10].
• The specific symptoms, such as FPS drops of 15–20 frames per second, currently impacting users ^[14].
• Verified workarounds and the root cause identified by technical investigations ^[4][5].

This guide focuses on the KB5074109 update and is intended for users on Windows 11 (likely versions 24H2 or 25H2 given the 2026 timeframe) ^[12][15]. It does not cover general hardware troubleshooting or unrelated software errors.

TL;DR / What This Means for You

The Windows 11 KB5074109 update, released in January 2026, is currently causing significant performance degradation and stability issues for PC gamers ^[2][4][6]. If you are experiencing sudden frame rate drops or visual glitches, this system update is the likely culprit ^[9][11].

Key Insights:

• Performance Impact: Users report substantial frame rate drops of 15 to 20 FPS and various visual artifacts during gameplay ^[13][15].
• Verified Fix: NVIDIA has officially identified this patch as the root cause and recommends uninstalling it to restore performance ^[1][8][10].
• Known Errors: Some users may encounter error code 0x800f0905 when attempting to remove the update ^[3][5].
• Scope of Issues: Beyond gaming, the update has been linked to stability problems with Outlook Classic and potential system black screens ^[12][14].

Recommended Actions:

1. Check your build: Verify if you are running OS Build 26200.7623, which corresponds to this specific update ^[7].
2. Uninstall the patch: If you experience gaming issues, roll back KB5074109 via the Windows Update history menu ^[8][12].
3. Monitor for updates: Microsoft may be developing a replacement patch to address these issues permanently ^[6].

Risk Note: While uninstalling the update typically restores gaming performance, it may remove recent security patches. Users must weigh the need for gaming stability against the potential loss of the latest security definitions provided in the January update cycle ^[1][7].

Key Sources (Quick Links)

• support.microsoft.com ^[1]
• Microsoft Q&A — Window update code KB5074109 has caused ^[2]
• The Register — Satya Nadella decides Microsoft needs a quality czar ^[5]

Background / Basics

To understand why a computer might experience sudden performance drops or visual glitches, it is essential to understand how operating system updates and hardware drivers interact. Windows regularly releases software packages known as Knowledge Base (KB) updates ^[4][12]. These patches are typically designed to improve system security, fix known bugs, or introduce new features to the Windows environment ^[2][6].

Hardware components, such as a Graphics Processing Unit (GPU), require specific software called drivers to communicate with the operating system. NVIDIA distributes these as GeForce Game Ready drivers, which are optimized to ensure that the latest video games run smoothly on their hardware ^[1][3]. For example, the 591.86 driver version was released to coincide with recent software changes ^[1][3].

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The Interaction Between Windows and Graphics Hardware

A stable gaming experience depends on the seamless cooperation between the Windows kernel and the graphics driver. In many cases, Windows updates modify core system files like dxgmms2.sys, which manages memory for the graphics subsystem ^[2]. If a security update like KB5074109 changes how the system handles these files, it may conflict with the existing NVIDIA driver, potentially leading to a KERNEL_SECURITY_CHECK_FAILURE ^[2][4].

When these two software layers are not perfectly synchronized, users often report several types of technical issues:

• Artifacting: Unusual visual patterns or "glitches" appearing on the screen ^[11][15].
• Framerate Drops: A significant decrease in the number of frames per second (FPS), leading to "stuttering" during gameplay ^[6][11].
• Black Screens: A total loss of video output, often requiring a hard system restart ^[4][12].

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Security vs. Stability

While security patches are vital for protecting a PC from vulnerabilities, they can occasionally introduce instability in high-performance tasks like gaming ^[6][7]. Large-scale updates are typically released on a monthly cycle, often referred to as "Patch Tuesday," with the next major security update expected around February 10, 2026 ^[14]. Because these updates affect the fundamental way a PC operates, even small code changes in a KB patch can have significant consequences for GPU performance ^[8][10].

Problem Explanation

The recent Windows 11 update, identified as KB5074109, has introduced significant technical difficulties for PC gamers ^[2][6]. Released in January 2026, this patch appears to be the root cause of widespread performance degradation and system instability across various hardware configurations ^[10][18]. While intended to improve the operating system, it has instead resulted in measurable losses in gaming efficiency ^[12][15].

Reports from users across official forums and community platforms indicate a severe drop in gaming performance ^[9][15]. Affected systems, particularly those utilizing NVIDIA GeForce graphics cards, typically experience a loss of 10 to 20 FPS during gameplay ^[4][5][12]. Furthermore, many gamers have noted that 1% low performance metrics are noticeably worse, which often leads to perceptible stuttering and an inconsistent experience ^[1][9].

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Beyond frame rate issues, the update has been linked to severe graphical anomalies and system-wide instability ^[11]. Users report the following symptoms during active gameplay:

• Intermittent visual artifacts and corruption ^[11][14].
• Total black-screen events that interrupt the user experience ^[11][13].
• Failures in basic system applications, including Notepad and the Xbox app ^[8].
• System crashes involving a KERNEL_SECURITY_CHECK_FAILURE related to the dxgmms2.sys driver ^[7].

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The following table summarizes the performance and stability impacts observed since the release of the January 2026 update:

Impact Area	Reported Symptoms
Framerate	Loss of 10 to 20 FPS in various titles [4][12][15]
Frame Consistency	Significant degradation in 1% lows leading to stutter [1][9]
Visual Quality	Visual corruption and shadow artifacts [11][14]
System Stability	Black screens and failures in standard Windows apps [8][11]

NVIDIA has officially confirmed it is investigating these reports, as the update has significantly impacted the usability of high-performance gaming rigs ^[3][10]. While a subsequent optional update, KB5074105, was released to address some specific black screen issues in multiuser environments, many gamers continue to report performance slumps ^[12][13].

Root Causes / Analysis

The issues surrounding Windows 11 KB5074109 appear to stem from a critical conflict between the operating system's kernel updates and specific graphics driver architectures ^[6][12]. While Microsoft and hardware partners continue to investigate, several core factors have been identified as primary contributors to system instability and gaming performance degradation ^[15][26].

Confirmed Causes

• Driver and Patch Incompatibility: A significant conflict exists between the mandatory January 2026 update and the NVIDIA GeForce Game Ready driver version 591.86 ^[6][9]. Reports indicate that this specific combination triggers visual shadow artifacts and intermittent black-screen events during high-load scenarios ^[13][15].
• Graphics Kernel Failures: The update has been linked to a KERNEL_SECURITY_CHECK_FAILURE specifically involving the dxgmms2.sys file ^[1]. This system file manages the DirectX Graphics MMS, and its failure typically results in immediate system crashes or the "Blue Screen of Death" (BSOD) for certain GPU configurations ^[1][21].
• OS Build Stability Regressions: Stability issues are highly concentrated in Windows 11 Build 26200.7623 and Build 26100.7623 ^[4][11]. These builds, released as part of the January 2026 update cycle, contain internal changes that may not properly handle the memory management requirements of modern gaming applications ^[5][21].

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Ongoing Investigations and Speculation

• Boot Volume Corruption: There are reports that some PCs may fail to boot entirely after installing the update ^[22]. Microsoft suspects that certain configurations are more susceptible to becoming unbootable, though the exact hardware trigger for this "bricking" effect remains under investigation ^[10][22].
• Replacement Update Development: Unverified reports from industry analysts suggest that Microsoft may be developing a new KB update to completely replace KB5074109 ^[4]. While out-of-band fixes like KB5077744 have been released for specific versions, a comprehensive replacement for all affected builds is currently considered speculative ^[4][14].
• Hardware-Specific Sensitivity: While NVIDIA has issued formal warnings, it is currently unclear if the issue extends to other GPU manufacturers ^[12][20]. Early data suggests the problem may be most prevalent in high-end gaming configurations, potentially due to how the update handles high-frequency memory clocking ^[10][15].

Identified Issue	Affected Component	Reported Impact
dxgmms2.sys Error	Windows Graphics Kernel	BSOD / System Crashes [1]
Driver Version 591.86	NVIDIA GPU Driver	Visual Artifacts / Black Screens [9][15]
Build 26200.7623	Windows 11 25H2	Boot Failure / Performance Loss [5][11]

Warning: Systems exhibiting visual corruption or "stuttering" after this update may be at risk of a kernel failure. It is generally recommended to monitor system logs for KERNEL_SECURITY_CHECK_FAILURE entries ^[1][15].

Evidence & Reality Check

Industry experts and hardware manufacturers have confirmed that the Windows 11 KB5074109 update is directly linked to widespread stability issues. NVIDIA has officially acknowledged the situation, issuing warnings regarding driver compatibility and overall system stability ^[1][2][3]. Reports from technical outlets, such as Windows Central on February 4, 2026, further corroborate that the Microsoft patch is the primary cause of these gaming disruptions ^[5].

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Confirmed Manufacturer Responses

NVIDIA's technical support team is actively investigating the reports of performance drops and graphical anomalies ^[6][7][8]. Internal investigations were triggered following a surge of user reports across official forums and the Microsoft Feedback Hub ^[6][11].

The following table summarizes the official status of the investigation as of February 2026:

Organization	Action Taken	Primary Concern
NVIDIA	Official Warning Issued	Driver compatibility and stability [1][2][3]
NVIDIA Support	Active Investigation	Black screens and artifacts [7][8][13]
Microsoft	Update Released	Security fixes and certificate updates [9][10]

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Verified Technical Impact

Technical analysis shows that the update introduces significant hardware-software conflicts ^[3]. Users have documented measurable performance degradation, specifically affecting high-stakes gaming scenarios ^[15].

The documented impact includes:

• Frame Rate Reduction: Users report performance losses of 10-20 FPS in various titles ^[11].
• Stability Issues: Significant drops in 1% lows, leading to noticeable stuttering ^[11].
• Visual Artifacts: Reports of black screens and graphical glitches during active use ^[7][13].
• System Crashes: Potential dxgmms2.sys errors related to specific GPU configurations ^[9].

Official Recommendation: NVIDIA representative Manuel has suggested that users experiencing these issues should consider uninstalling the KB5074109 update as a temporary workaround to restore performance ^[12][14].

While current hardware is facing immediate challenges, NVIDIA continues to maintain long-term support for older architectures. Maxwell, Pascal, and Volta GPUs are expected to receive security updates through October 2028, regardless of these temporary software conflicts ^[4].

Self-Check / Diagnosis

If you have noticed a sudden decline in your PC's gaming performance, you can follow these steps to determine if the Windows 11 update KB5074109 is the cause. These steps help verify your system's current patch status and driver configuration.

1. Verify Your Windows Update History

The most direct way to identify the issue is to check if the January security update is installed on your system ^[4][11].

• Open the Settings menu by pressing Win + I.
• Navigate to Windows Update and then select Update history.
• Look under the Quality Updates section for KB5074109.
• If this code appears in the list, your system has the update that NVIDIA staff identified as the root cause of recent performance issues ^[6][9].

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2. Monitor Performance Metrics

Affected users typically report a specific range of performance degradation. You can use an on-screen display (OSD) or benchmark tool to check for the following:

• Average FPS Drop: Look for a loss of 15 to 20 FPS in titles that previously ran smoothly ^[1][2][10].
• Significant Slumps: Some reports indicate frame rate drops exceeding 50% in extreme cases ^[5].
• 1% Lows: Pay attention to stuttering or "choppiness." Users have reported that 1% low performance—the frame rates during the most demanding moments—is noticeably worse after the update ^[15].

3. Identify Graphical Artifacts and Glitches

Beyond simple speed decreases, this update is linked to visual instabilities.

• Check for artifacting, which may appear as strange shapes, flickering colors, or distorted textures on the screen ^[7][24].
• Monitor for black screens occurring during gameplay or when launching applications ^[11][15].
• If these issues started appearing around January 21, 2026, it strongly correlates with the rollout of the problematic patch ^[4].

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4. Check Your NVIDIA Driver and GPU Status

While the update primarily affects systems with NVIDIA GeForce graphics cards ^[15], verifying your hardware and driver status can confirm the conflict.

• Right-click the Start button and select Device Manager.
• Expand Display adapters to confirm you are using an NVIDIA card.
• Right-click your GPU, select Properties, and go to the Driver tab to see your version.
• NVIDIA representatives have confirmed that even with the latest drivers, the KB5074109 update remains the primary source of the conflict ^[11][14].

Note: If you are experiencing these symptoms but do not see KB5074109 in your history, your issues may be caused by a different software conflict or hardware limitation. Industry analysts suggest that while this specific patch is a known culprit, it may not be the only factor affecting system stability ^[13].

Solutions / What to Do

If your system is experiencing performance drops, graphical artifacting, or black screens following the January 2026 updates, several verified steps can help restore stability. These range from immediate workarounds to installing official out-of-band (OOB) patches provided by Microsoft.

Short-Term Solution: Uninstall KB5074109

The most immediate fix recommended by NVIDIA and confirmed by various user reports is to roll back the problematic update ^[4][7][9]. This process restores system performance to pre-patch levels ^[10].

1. Open Settings and navigate to Windows Update.
2. Select Update history and then click Uninstall updates.
3. Locate KB5074109 in the list and click Uninstall.
4. Restart your PC to complete the process.

Note: Some users have reported an error code 0x800f0905 when attempting to uninstall this specific update ^[6]. If this occurs, you may need to use advanced recovery tools or proceed to the "Long-Term Options" below.

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Long-Term Options: Official Patches and Previews

Microsoft has released specific out-of-band updates to address the bugs introduced by the January patch. Choosing the correct update depends on your specific Windows 11 version and build number.

Windows 11 Version	Recommended Update	Build Number Target
24H2 / 25H2	KB5077744	26200.7627 / 26100.7627 [8]
23H2	KB5077797	Specific 23H2 configurations [5]
Preview Builds	KB5074105	26200.7705 / 26100.7705 [11]

The KB5077744 update was released on January 17, 2026, specifically to resolve issues tied to the initial January deployment ^[2][12]. Additionally, the KB5074105 preview update addresses critical dxgmms2.sys errors and KERNEL_SECURITY_CHECK_FAILURE crashes seen in certain GPU configurations ^[11].

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Future Monitoring

While uninstallation is the current official workaround ^[14][15], it is generally considered a temporary measure. Users should monitor for the following developments:

• Official Driver Updates: NVIDIA is actively investigating the conflict and may release a specialized driver update to improve compatibility with the Windows kernel changes ^[14].
• Cumulative Update Replacements: Speculation suggests Microsoft may be developing a new cumulative update to completely replace KB5074109 in the standard update cycle ^[1].

It is recommended to pause automatic updates temporarily if you choose to uninstall the patch, ensuring the problematic build does not reinstall itself before a permanent fix is verified.

Risks, Limits, and When to Stop

Uninstalling a mandatory security update like KB5074109 involves significant trade-offs that users should carefully consider. While removing the patch may resolve immediate performance issues, it potentially leaves the operating system exposed to numerous threats.

The Security Risk

The Windows 11 KB5074109 January update was designed to address 114 security vulnerabilities ^[3][5][11]. By uninstalling this update, a system remains susceptible to these documented exploits until a replacement patch is applied. Furthermore, official documentation indicates that Secure Boot certificates for most Windows devices are set to expire starting in June 2026 ^[9]. This makes the installation of subsequent, stable security updates critical for long-term system integrity.

Technical Barriers to Uninstallation

Users may encounter technical hurdles when attempting to revert the software. Some systems report error code 0x800f0905 during uninstallation attempts, which can prevent the removal process from completing ^[1].

Issue	Error Code / Identifier	Impact
Uninstallation Failure	0x800f0905	Update cannot be removed [1]
Boot Failure	UNMOUNTABLE_BOOT_VOLUME	System fails to start [7]
Specific Build	26200.7623	Original affected version [8]

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When to Stop and Seek Help

If a device fails to start or behaves unpredictably during a rollback, manual recovery may be necessary. You should stop troubleshooting and seek expert assistance if you encounter the following:

• Stop Code 0xED: This is the UNMOUNTABLE_BOOT_VOLUME error ^[7]. It indicates the operating system cannot access the boot partition, and further automated repair attempts may fail.
• System Bricking: Unconfirmed reports suggest certain gaming configurations may become completely unbootable or "bricked" after the update ^[14][20].
• Failed Out-of-Band Fixes: While Microsoft released KB5077744 ^[6] and KB5077797 ^[13] as out-of-band fixes, these may not apply to every build or may fail to install on corrupted systems.

Warning: Attempting to force a fix on a drive displaying a UNMOUNTABLE_BOOT_VOLUME error can potentially lead to data loss if the underlying file system is unstable.

The next scheduled Microsoft Patch Tuesday is February 10, 2026 ^[12][15]. If a system is currently functional despite minor performance drops, waiting for this official, cumulative fix is generally considered a lower-risk strategy than attempting complex manual uninstalls.

FAQ

Is it safe to uninstall a security update like KB5074109?

Uninstalling a security update is typically considered a temporary workaround rather than a permanent solution ^[9][10]. While NVIDIA officially recommends removing KB5074109 to resolve performance issues and graphical glitches ^[10][13], doing so may leave a system without the latest security protections.

Industry reports confirm that rolling back this specific patch is a verified temporary fix for frame rate drops and artifacting ^[14]. However, some users have reported encountering error code 0x800f0905 during the uninstallation process ^[15].

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Does this issue affect AMD users or only those with NVIDIA GPUs?

Current reports and official warnings have focused primarily on NVIDIA GPU configurations ^[10][14]. The update has been linked to KERNEL_SECURITY_CHECK_FAILURE errors specifically involving the dxgmms2.sys file in certain graphics configurations ^[2].

While the most prominent stability warnings come from NVIDIA support personnel ^[13], any user experiencing significant system instability after the January update may be affected. It is generally observed that the performance degradation, such as black screens and FPS drops, is most heavily documented among gamers using NVIDIA hardware ^[9][14].

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When will a permanent fix be released?

A permanent resolution is expected to roll out during the next scheduled Microsoft Patch Tuesday on February 10, 2026 ^[3][6]. Microsoft typically uses these monthly cycles to deliver finalized stability patches to the broader user base.

In the meantime, Microsoft has already released several out-of-band updates to address bugs associated with KB5074109:

• KB5077744: Released on January 17, 2026, for Windows 11 24H2 and 25H2 ^[4][8].
• KB5077797: The specific out-of-band fix for Windows 11 23H2 ^[7].
• KB5078127: Industry analysts suggest this additional out-of-band patch may also address the issue ^[11].

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What happens if I cannot uninstall the update?

If the uninstallation fails with error 0x800f0905 ^[15], users may need to wait for the February 10 cumulative update or attempt to manually install the relevant out-of-band fix for their specific Windows version ^[7][8]. It is also predicted that Microsoft may create an entirely new KB update to replace KB5074109 in the near future ^[1].

Summary / Key Takeaways

The following points summarize the current situation regarding the conflict between Windows 11 and specific hardware configurations:

• The Windows 11 update KB5074109 is confirmed to cause significant system instability, including performance degradation, black screens, and visual artifacts during gaming ^[1][4][14].
• NVIDIA has officially acknowledged these issues and issued warnings regarding driver compatibility and hardware-software conflicts ^[2][3][7].
• The primary recommendation from NVIDIA support personnel for affected users is to uninstall update KB5074109 as a temporary workaround to restore system performance ^{[5][8][9][12]}.
• Microsoft has released update KB5077797 as an out-of-band fix specifically designed to address the bugs introduced by the previous patch for Windows 11 23H2 users ^[15].
• While some updates, such as KB5074105, have attempted to resolve specific errors like KERNEL_SECURITY_CHECK_FAILURE related to dxgmms2.sys, users may still encounter issues depending on their specific GPU configuration ^[10].

It is expected that further stability improvements will be integrated into future cumulative updates as both Microsoft and hardware vendors continue to investigate these conflicts.

If you’re unsure, it’s usually cheaper to ask someone once than to fix a mistake later.

Quellen

^[1] support.microsoft.com

^[2] Microsoft Q&A: Window update code KB5074109 has caused

^[3] Microsoft Support: January 29, 2026—KB5074105 (OS Builds 26200.7705 and 26100.7705) Preview

^[4] Microsoft Q&A: Uninstalled KB KB5074109 now what ?

^[5] The Register: Satya Nadella decides Microsoft needs a quality czar

^[6] Threads: Windows 11 KB5074109 Bricks Gaming: NVIDIA Issues Warning

^[7] Tom's Hardware: Yet another Windows update is wreaking havoc on gaming rigs worldwide — Nvidi...

^[8] Windows Central: NVIDIA points finger at Windows update — Microsoft patch blamed for PC gaming...

^[9] PCWorld: Nvidia says uninstalling Windows patch may fix gaming issues

^[10] Windows Central: 8 new Windows 11 features expected to arrive with the February 2026 update — ...

^[11] NinjaOne: KB5074109: Overview with user sentiment and feedback

^[12] Windows Latest: Nvidia is looking into gaming issues after Windows 11 KB5074109 January 2026 ...

^[13] Technobezz: Nvidia investigates Windows 11 update causing black screens for gamers

^[14] Guru3D: Nvidia investigates Windows 11 KB5074109 as gamers report black screens

^[15] igor´sLAB: Windows 11: January patch KB5074109 causes performance slump on Nvidia graphi...

^[18] Sportskeeda Tech: NVIDIA believes the recent Windows 11 update is the root cause of the gaming ...

^[20] Unknown (PDF Source): Windows 11 KB5074109 Bricks Gaming: NVIDIA Issues Warning

^[21] Windows Latest: Microsoft confirms Windows 11 KB5074109 January update BSOD, boot issues on s...

^[22] Windows Latest: Microsoft suspects some PCs might not boot after Windows 11 January 2026 Upda...

^[24] Tom's Hardware: Yet another Windows update is wreaking havoc on gaming rigs worldwide — Nvidi...

^[26] PCWorld: Nvidia says uninstalling Windows patch may fix gaming issues