Fix Windows Security High Memory Usage
You open Task Manager and see Windows Security (or Antimalware Service Executable) using 500 MB o...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Windows Defender Service Unavailable in Windows 10
If you see 'Windows Defender service unavailable' in Windows 10, the antivirus may be disabled or...
Clear DNS and System Cache via Command Prompt
If you're experiencing network issues, stale DNS entries, or application glitches, clearing vario...
Fix Windows Activation Offline Workaround Connection Refused
You're trying to activate Windows using an offline workaround—maybe a phone activation or a local...
Windows Security Not Opening: Practical Fixes That Work
When you click the Windows Security shield icon or try to open it from Settings and nothing happe...
Fix Windows Defender 502 Bad Gateway Permission Denied
If you're seeing a '502 Bad Gateway – Permission Denied' error when using Windows Defender (Micro...
Issue queue
SitemapPostgreSQL Connection Refused Firewall Fix
Windows Defender Scan Not Completing? Here's What to Do
Ignore SSL Certificate Error in Command Prompt
Fix Windows Update Connection Refused After Network Reset
Windows Security 504 Gateway Timeout After Reset
OneDrive Sync Not Working? Try This Checklist
Windows Cache Clear Command Line Guide
Chrome Performance Configuration Guide
Resolve PowerShell Crashes Immediately on Open
Docker Build Fails: Repository Not Found or Login Required
Microsoft Store Stuck on Loading Screen: How to Fix
Windows Defender Path Missing After Update – Fix
Windows Defender Scan Not Completing? Here's What to Do
Ignore SSL Certificate Error in Command Prompt
Fix Windows Update Connection Refused After Network Reset
Windows Security 504 Gateway Timeout After Reset
OneDrive Sync Not Working? Try This Checklist
Windows Cache Clear Command Line Guide
Chrome Performance Configuration Guide
Resolve PowerShell Crashes Immediately on Open
Docker Build Fails: Repository Not Found or Login Required
Microsoft Store Stuck on Loading Screen: How to Fix
Windows Defender Path Missing After Update – Fix