Fix Windows Defender Crashing After Update Error 0x800704ec
If Windows Defender crashes or fails to start after a recent update and you see error 0x800704ec,...
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 Memory Usage
You open Task Manager and see Windows Security (or Antimalware Service Executable) using 500 MB o...
Download PowerShell Offline Installer for Windows 10
If you need to install PowerShell on a Windows 10 machine that has limited or no internet access,...
Fix Windows Defender Can't Connect to Microsoft Server
When Windows Defender shows 'Can't connect to Microsoft server', it usually means the antivirus c...
Fix Nginx Configuration Syntax Error on Line 22
When running nginx -t and seeing 'syntax error' on line 22, the config file won't lo...
Fix Port Already Allocated Error When Windows Security Is Off
You try to start a local server or application and get an error saying the port is already alloca...
Topic paths
Quick titles
Fix Chrome High CPU Usage from Profile CorruptionFix DNS Probe Finished NXDOMAIN on Android ChromeFix Edge Profile Sync Paused Not Working After UpdateHow to Fix Windows Defender Error 404Microsoft Teams 404 Error TroubleshootingHow to Fix Chrome SSL Protocol Error: Invalid Server CertificateResolve OneDrive 0x8007017c on Mac: Step-by-StepRun pip as a Normal User on Linux