Fix Windows Defender Service Missing After Antivirus Uninstall
After uninstalling a third-party antivirus program, some users find that Windows Defender is miss...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesPowerShell Script Log File Setup Checklist
When you run a PowerShell script and nothing appears in your log file—or the log is incomplete—it...
Windows Update 504 Gateway Timeout: Advanced Troubleshooting Checklist
If you're seeing a 504 Gateway Timeout error when running Windows Update, it usually means the up...
How to Fix Command Prompt Not Opening in Windows 11
You click Command Prompt but nothing happens. The window doesn't appear, or it flashes and closes...
How to Fix Git Push Rejected (Non-Fast-Forward)
You run git push and get a rejection: ! [rejected] main -> main (non-fast-forwar...
Fix Windows Security Network Error After Update
After a Windows update, you might see a network error in Windows Security, often with a message l...
Issue queue
SitemapFix SSH Permission Denied (publickey) Error
Windows Search Error 0x80070005: Authentication Failed Fix
Fix OneDrive Dependency Conflicts
Fix Outlook High CPU with Scanpst Tool
How to Fix Teams SSL Certificate Not Trusted
How to Fix Microsoft Store Error 404 (Not Found)
Fix Microsoft Store Error 0x80072ee7 Network Issue
OneDrive DNS Error: Step-by-Step Admin Checklist
Fix Outlook Network Connection Errors
Stop Windows Search Service from Stopping Repeatedly
Guide to Use Windows Defender on Mac
Fix Stuck Windows Update by Clearing Cache
Windows Search Error 0x80070005: Authentication Failed Fix
Fix OneDrive Dependency Conflicts
Fix Outlook High CPU with Scanpst Tool
How to Fix Teams SSL Certificate Not Trusted
How to Fix Microsoft Store Error 404 (Not Found)
Fix Microsoft Store Error 0x80072ee7 Network Issue
OneDrive DNS Error: Step-by-Step Admin Checklist
Fix Outlook Network Connection Errors
Stop Windows Search Service from Stopping Repeatedly
Guide to Use Windows Defender on Mac
Fix Stuck Windows Update by Clearing Cache