The latest KB5074109 update for Windows 11 causes the classic Outlook app to crash and lose emails, and there’s a risk of data loss if PST or OST files are stored on cloud-backed storage! You can read ...

If your Outlook Classic freezes or hangs when you use POP accounts or deal with PST files, you'll need to remove Windows 11 ...

Microsoft shares workarounds for a Windows 11 KB5074109 bug that breaks Outlook for POP email accounts and PST files.

Beyond Outlook and Remote Desktop bugs, the KB5074109 patch is now causing immediate app closures and freezes for certain ...

The dilemma for millions of Windows users now is that Microsoft also warns that “while you might choose ultimately to ...

Windows 11 KB5074109 is now available for Windows 11 25H2 and 24H2. This release mostly has bug fixes and improvements.

Microsoft is investigating a Windows 11 regression that is causing classic Outlook to hang, lag, or become unresponsive after ...

Windows 11 users report system freezes, app crashes, and driver issues after installing Microsoft update KB5074109.

Microsoft has released Windows 11 KB5074109 and KB5073455 cumulative updates for versions 25H2/24H2 and 23H2 to fix security ...

Outage trackers like Downdetector showed thousands of reports, with spikes in Outlook and broader Microsoft 365 complaints.

Microsoft has really stepped in it with the first Windows 11 update of 2026. Reports from annoyed Windows users are cropping ...

Microsoft is urging Windows 11 users to uninstall update KB5074109 after widespread bug reports, including performance drops ...