Fix Windows Update Error 0x80073712
You see error 0x80073712 when checking for Windows updates. It usually means a system file is mis...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Windows Security High CPU Usage
If your PC feels sluggish and Task Manager shows Windows Security (or Antimalware Service Executa...
Fix Windows Defender 502 Bad Gateway Error: Configuration Guide
If you're seeing a '502 Bad Gateway' error when opening Windows Defender, it usually means a netw...
How to Fix Windows Security Log 'Permission Denied' Error
When you try to open the Windows Security Log in Event Viewer and get 'Permission Denied' or 'Acc...
Fix 'Windows Defender Not Recognized' Error in Command Prompt
When you type MpCmdRun or Windows Defender in Command Prompt and see
Fix Outlook Not Receiving Emails After Password Change
Changing your email password is a smart security move, but it often causes Outlook to stop receiv...
Topic paths
Quick titles
How to Fix Windows Defender Connection Refused ErrorResolve Windows Defender Definition Update MismatchError 0x800f0922 Windows Update Log Location GuideComposer PHP Memory Limit Configuration GuideWindows Security Token Not Updating: Practical FixesFix Windows Update Error 0x80072efd (Network Issue)GitHub Actions Canceled Manually: What It MeansResolve 0x80073712 Update Stuck Issue