Overview
- Microsoft’s January cumulative update for Windows 11 (KB5074109) is producing a growing set of regressions beyond the three issues the company has acknowledged.
- Emergency updates have addressed Remote Desktop failures and some shutdown problems, while the Outlook Classic POP crash remains only acknowledged.
- Users report that classic S3 sleep fails on some PCs, with cases tied to attached USB webcams and a regression noted in the 25H2 S3 sleep path.
- Citrix confirms Director shadowing and Remote Assistance launch failures on patched systems and advises using HDX Screen Sharing as a workaround.
- Additional reports cite desktop.ini glitches, Hyper-V and other virtualization hosts hanging on reboot, and keyboard or mouse malfunctions, with broader fixes expected via further out-of-band releases or February’s update.