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144 articles covering known issues and general troubleshooting. Search by product or symptom to narrow the list.

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▤AMD Software: Adrenalin Edition / StarfieldResolved

Intermittent Starfield crashes from Adrenalin 26.8.1 are fixed in 26.9.1

Starfield may intermittently crash during gameplay

Affected: AMD Software: Adrenalin Edition 26.8.1, Radeon RX 9000 Series / Fixed in: 26.9.1

Checked 2026.09.06Read guide ↗

▦Windows 11Investigating

Desktop Background Turns Solid Black After KB5120998

Custom desktop background does not load and becomes solid black

Windows 11 25H2/24H2 (OS build 26100.9278, KB5120998 or later)KB5120998

Checked 2026.09.05Read guide ↗

▦Windows 11Workaround available

Teams and the New Outlook Fail to Start on Windows on ARM

Microsoft Teams doesn't start or closes unexpectedly

Windows 11 26H1/25H2/24H2 ARM-equipped device (KB5121003 or later; Surface Pro 11, Surface Laptop 7, etc.)KB5121003

Checked 2026.09.05Read guide ↗

▦Microsoft Defender Antivirus on WindowsInvestigating

False “Microsoft Defender Antivirus Is Disabled” Notification

"Microsoft Defender Antivirus is turned off" notification appears when starting or using Windows

Windows 11 26H1/25H2/24H2/23H2, Windows 10 22H2/21H2/LTSC 2019/LTSC 2016, and Windows Server 2025/2022/2019/2016/2012 R2/2012 with the latest Defender updates

Checked 2026.09.05Read guide ↗

▤AMD Software: Adrenalin Edition / Smart Access MemoryInvestigating

Smart Access Memory becomes disabled after installing Adrenalin 26.8.1

AMD Smart Access Memory may become disabled after driver installation

AMD Software: Adrenalin Edition 26.8.1, Windows 10

Checked 2026.09.05Read guide ↗

▤NVIDIA GeForce Driver / Halo: Campaign EvolvedResolved

Halo: Campaign Evolved instability with GeForce 610.xx

Halo: Campaign Evolved experiences stability problems

GeForce Game Ready Driver 610.xx, including 610.74, on GeForce RTX 50 Series; fixed in Hotfix 610.826259837

Checked 2026.09.05Read guide ↗

◫Mozilla FirefoxTroubleshooting guide

Firefox Server Not Found: compare browsers and check proxy settings

Firefox displays Server Not Found

Firefox for desktop on Windows, with another browser available for comparisonServer Not Found

Checked 2026.09.12Read guide ↗

◫Mozilla FirefoxTroubleshooting guide

Firefox crashes or displays text and page elements incorrectly

Firefox crashes

Firefox Desktop (general Mozilla support procedure; no specific version)

Checked 2026.09.05Read guide ↗

▤NVIDIA App / GeForce DriverTroubleshooting guide

NVIDIA App fails to install a graphics driver

A driver update in NVIDIA App fails

Windows 10 / 11; GeForce Driver (no specific release)Installation failed

Checked 2026.09.05Read guide ↗

◫Classic Outlook for WindowsResolved

Outlook 2024/2021 LTSC crashes when opening email from Viva Engage and similar services

Classic Outlook crashes when opening email sent by Viva Engage, Viva Insights, Yammer, Power Automate, or similar services

Known crash examples: Outlook 2024 LTSC 16.0.17932.20700 and 2021 LTSC 16.0.14334.20440. Check installation against the Office update history: the May 12, 2026 builds are 17932.20776 for LTSC 2024 and 14334.20670 for LTSC 2021.Event 1000

Checked 2026.09.12Read guide ↗

◫Microsoft OneDrive / SharePointTroubleshooting guide

OneDrive: Fix Invalid File Names and Long Paths

Name has sync error

OneDrive for Windows (for personal/work/school use)Invalid file name

Checked 2026.09.05Read guide ↗

◫Mozilla Firefox DesktopTroubleshooting guide

Return profile settings to defaults with Firefox Refresh

Firefox problems continue after isolating extensions and settings

Firefox Desktop; available in Firefox 150 or later when using the new profile management

Checked 2026.09.05Read guide ↗

◫Mozilla FirefoxTroubleshooting guide

Firefox: Troubleshoot SEC_ERROR_UNKNOWN_ISSUER Safely

A certificate issuer is unknown

Firefox DesktopSEC_ERROR_UNKNOWN_ISSUER

Checked 2026.09.05Read guide ↗

▦Windows 11Resolved

Windows 11 24H2 Stops or Crashes on Devices Using sprotect.sys

Device becomes unresponsive

Windows 11 24H2 (device with sprotect.sys 1.0.2.372 or 1.0.3.48903 installed)sprotect.sys

Checked 2026.09.05Read guide ↗

▤AMD Radeon / AMD Cleanup UtilityTroubleshooting guide

Clean and reinstall the graphics driver with AMD Cleanup Utility

An AMD graphics-driver update or reinstall does not finish correctly, or old components conflict

Windows 7 or later, within the official AMD utility's supported scopeGPU-601

Checked 2026.09.05Read guide ↗

▦Windows 11Resolved

Intel SST Driver Causes a Blue Screen During the Windows 11 24H2 Upgrade

Blue screen error occurs on Windows 11 24H2

Windows 11 24H2, device equipped with Intel 11th generation Core processor and IntcAudioBus.sys 10.29.0.5152 or 10.30.0.5152IntcAudioBus.sys

Checked 2026.09.05Read guide ↗

▦WindowsResolved

PC Reset or Recovery Fails After KB5063875

Settings > System > Recovery > Reset this PC fails

Windows 11 23H2/22H2 (Targeted by KB5066189 in this record. The same symptoms were also reported in other Windows 10 and LTSC editions, but the corrective update to be applied differs depending on the OS)KB5063875

Checked 2026.09.05Read guide ↗

▦WindowsResolved

Windows upgrade error 0x8007007F: scope and next steps

Upgrading using Windows Setup > Upgrade displays error 0x8007007F and the process fails

Upgrade from Windows 10 1809/21H2/22H2 to Windows 11 22H2/23H2, and some upgrade paths from Windows Server 2016/2019 to Server 2019/20220x8007007F

Checked 2026.09.11Read guide ↗