A Windows 11 bug blocks all updates since February. Here’s what to do
A bug in Windows 11 has prevented updates since February, affecting users' security. This issue originated from the January Preview Update and has resulted in critical security vulnerabilities. Microsoft suggests performing a Known-Issue Rollback to resolve the problem and restore update functionality.
- ▪A Windows 11 bug has blocked all updates since February for some users.
- ▪The problem is linked to the January Preview Update, which affects download timeouts.
- ▪Microsoft recommends performing a Known-Issue Rollback to revert the faulty update.
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News A Windows 11 bug blocks all updates since February. Here’s what to do A Windows 11 bug tied to the January preview update has blocked all updates since February, including ones with critical Secure Boot certificates. By Laura Pippig Staff Writer, PC-WELT May 21, 2026 12:24 pm PDT Image: Mulad Images / Shutterstock.com Summary created by Smart Answers AIIn summary:PCWorld reports a Windows 11 bug has blocked all updates since February for some users, creating serious security vulnerabilities and potential system issues.The problem stems from January’s Preview Update and affects download timeouts, leaving systems without crucial monthly security patches and upcoming Secure Boot certificate updates.Microsoft recommends performing a Known-Issue Rollback (KIR) to revert the faulty update…
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