Windows 11 Faces New Vulnerabilities and Performance Issues in December Update
The Windows 11 KB5048667 update is causing significant issues, including installation failures and performance slowdowns, particularly affecting gaming and CPU performance. Users report errors like 0x800f081f and 0x80070302 during installation, and some experience higher CPU temperatures and stuttering in games. Temporary fixes include rolling back updates or adjusting power settings, but a permanent solution may require a future patch. Additional problems include BSOD errors and playback issues with apps like Netflix and Prime Video.