A widespread issue has emerged in classic Microsoft® Outlook following the Windows 11 patch update KB5074109 on 13 Jan, 2026. POP account users have reported that Outlook is unable to exit cleanly.

Windows 11 KB5074109 causes Outlook freezing for POP accounts. Microsoft confirms the issue and investigates a permanent fix.

Microsoft confirmed that the KB5074109 January Windows 11 security update causes the classic Outlook desktop client to freeze ...

If MS Outlook freezes or crashes when attaching files on your Windows computer, these fixes will surely help you resolve the ...

Is the classic Outlook email client crashing when you create or open a new email? If so, Microsoft suggests creating a new FORMS2 folder to fix the problem. Why Is Outlook Crashing On Starting or ...

If Outlook keeps asking for your password on Windows, try restarting the app, re-adding your account, deleting saved credentials, disabling third-party antivirus, or reinstalling Outlook. Ensure your ...

If Share Contacts is not working, missing, or grayed out in MS Outlook, ask the owner to give you permission, delete Outlook ...

Microsoft has confirmed that the Windows 11 January 2026 Update is causing at least three major issues, rolling out fixes for ...

Microsoft has confirmed several issues affecting Microsoft 365 customers using the "paste special' option and the calendar feature in the classic Outlook email client. As the company explains, users ...

WASHINGTON — Microsoft is working to fix an issue with Outlook and Teams following an apparent outage early Monday. Users began reporting issues with Microsoft platforms around 8 a.m. Monday, ...

While millions await permanent resolution from Microsoft, Stellar Repair for Outlook is helping hundreds of users remedy the situation by offering an immediate and proven solution. This powerful yet ...

Outlook app on Windows 11 lets you manage your email. You just need to sign in once, and you can use it comfortably until you reset your PC. You do not need to enter ...