Pakistan, Jan. 24 -- Microsoft has advised users to uninstall the Windows 11 January 2026 security update after widespread reports of serious system and application issues, prompting concerns among both individual users and businesses.

Read More: Microsoft 'exits' Pakistan after 25 years

The update, identified as KB5074109, began rolling out automatically on January 13. Soon after its release, users started reporting a range of problems, including Outlook Classic freezing, black screens, and frequent application crashes.

According to Microsoft, the most severely affected users are those running Outlook Classic with POP email accounts or local PST files, particularly when these files are stored in cloud-synchronised folders such as OneD...