Windows 11 update KB5065426 won't install for some users due to error codes 0x800F0991, 0x800F0922, 0x80071A2D, 0x800F081F, ...

Here's what went wrong with the Windows App Store and how Microsoft is trying to get things right for the future. But is it ...

Windows 11 September KB5065426 update is not installing with multiple error codes, leaving some September 2025 updates stuck.

If you've encountered a problem with a Windows upgrade, you know how maddeningly unhelpful Windows error messages can be. These are my favorite troubleshooting tricks.

Microsoft's latest Windows update for Windows 11, Windows 10 is causing unintended UAC prompts to appear in certain cases for non-admin users.

Dr. James McCaffrey presents a complete end-to-end demonstration of the kernel ridge regression technique to predict a single ...

Intermittently, only on my data drive, a Samsung EVO 860 SATA SSD, I'm getting the error: "The semaphore timeout period has expired". I also sometimes get the error: "The specified I/O operation on ...

Microsoft has resolved a known issue that caused Windows upgrades to fail with 0x8007007F errors on some Windows 11 and Windows Server systems. Although this issue impacts both Windows client and ...

Microsoft is urging Windows 11 users to ignore error messages that appear following the installation of the July 2025 preview update and the August 2025 security ...

Microsoft has tacitly confirmed that the mandatory Windows 11 24H2 updates from past months negatively impacted the operating system’s stability, which is bad timing for the company who recently ...

Hamza is a certified Technical Support Engineer. The error “The installer has encountered an unexpected error 2503” usually indicates a problem within the system ...

The article has been updated with new info from Microsoft indicating that it has issued a fix for the Windows Firewall error a new preview cumulative update. Last ...