Windows 11 Out-of-Band Update KB5078127 Fixes App Freezing + Cloud File Issues

If your users have experienced apps randomly freezing, Outlook hanging, or files refusing to open from OneDrive/SharePoint-style locations after the January updates, Microsoft has released an out-of-band Windows 11 update to address it.

What is KB5078127?

KB5078127 is a cumulative out-of-band update for Windows 11 (including newer 24H2/25H2 builds) designed to stabilise systems impacted by recent patch side-effects.