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Windows Security App Not Opening After Update: Fixes

After a Windows update, the Security app may refuse to open—clicking the icon does nothing, or it...

Fix OneDrive Sync Blocked by Firewall or Network Error

OneDrive suddenly stops syncing. You see error messages like "Sync is blocked" or "Network error ...

Fix Windows Search 'Too Many Requests' Rate Limit Error

If you’ve seen “Too many requests” or “Rate limit exceeded” while using Windows Search, you’re no...

How to Fix BitLocker Version Mismatch Error

You might see a BitLocker version mismatch error when trying to unlock an encrypted drive on a di...

How to Fix Windows Defender Slow Performance

Windows Defender (now Microsoft Defender Antivirus) can sometimes cause noticeable slowdowns, esp...

How to Fix Command Prompt Rate Limit Error on Network