Microsoft recently rolled out two important cumulative updates for Windows 10—KB5046616 and KB5048652—as part of its regular patch cycle. These updates address security vulnerabilities, improve system performance, and fix known bugs. However, some users have reported issues after installing them.

KB5046616: Security and Performance Enhancements

KB5046616 is a security update designed to address vulnerabilities in Windows 10 versions 21H2 and 22H2. This update primarily focuses on security improvements and bug fixes.

Key Fixes in KB5046616

  • Strengthened security measures for Windows components.
  • Resolved compatibility issues with certain applications.
  • Improved system stability and performance.

For official details, visit the Microsoft Update Catalog.

KB5048652: Fixes and New Features

KB5048652 is a cumulative update released in December 2024, bringing improvements and fixes to Windows 10. It updates the OS build numbers to 19044.5247 (21H2) and 19045.5247 (22H2).

Key Fixes in KB5048652

  • Windows Activation Issues: Fixed a bug preventing Windows 10 from activating after a motherboard replacement.
  • Cloud File Operations: Resolved problems with transferring files to the cloud, including Win32 shortcuts.
  • Printing Bugs: Fixed issues related to Internet Printing Protocol (IPP) and USB printer connections.

For more details, visit the Microsoft Support Page.

Known Issues and User Reports

Despite the fixes, some users have reported problems after installing KB5048652:

  • High Disk Usage: Some users noticed continuous high disk activity, slowing down their PCs. (Microsoft Answers Forum)
  • Internet Connectivity Issues: Some reported that their internet stopped working after the update. (Microsoft Answers Forum)

Recommendations for Users

  • Monitor Performance: Check for slowdowns or connectivity issues after updating.
  • Troubleshoot Problems: If you face issues, try rolling back the update or seeking help from Microsoft Support.
  • Delay the Update if Necessary: If your system is running fine, you might want to wait before installing KB5048652.