Fix Command Prompt Invalid Configuration After Update
After a Windows update, you might see errors like "The configuration is invalid" or "Invalid comm...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Repair a Corrupt Windows Search Database
If Windows search stops returning results, takes too long, or shows errors, the search database m...
Fix Windows Activation File Locked Registry Issue
You try to activate Windows, but get an error saying the activation file is locked or the registr...
How to Restore Windows Security Missing from Start Menu
If Windows Security (formerly Windows Defender) has disappeared from your Start Menu, it usually ...
Fix PowerShell Permission Denied When Running Script
You try to run a PowerShell script and get a 'permission denied' error. This usually happens beca...
How to Fix Windows Defender Version Mismatch on Windows 10
You might see an error saying Windows Defender has a version mismatch, or the app won't open beca...
Issue queue
SitemapMicrosoft Store Sync Not Working? Practical Fixes
Resolving ERR_PROXY_AUTHENTICATION_FAILED in Chrome
Chrome Profile Log File Configuration Checklist
OneDrive Permission Denied Sync Error Fix
How to Fix Nginx 502 Bad Gateway Error
Fix 'Command Prompt Not Found' Error After Windows Update
Troubleshoot Error Code 0x80070520 on Windows
Troubleshoot Microsoft Store Sign-In Issues Post Reset
Windows Update Service Disabled by Antivirus Fix
Remote Desktop Connection Shortcut Missing? Here's the Fix
Troubleshoot Windows Activation and Repair Tool Crash
Troubleshoot Windows Search Blank Screen by Restoring Defaults
Resolving ERR_PROXY_AUTHENTICATION_FAILED in Chrome
Chrome Profile Log File Configuration Checklist
OneDrive Permission Denied Sync Error Fix
How to Fix Nginx 502 Bad Gateway Error
Fix 'Command Prompt Not Found' Error After Windows Update
Troubleshoot Error Code 0x80070520 on Windows
Troubleshoot Microsoft Store Sign-In Issues Post Reset
Windows Update Service Disabled by Antivirus Fix
Remote Desktop Connection Shortcut Missing? Here's the Fix
Troubleshoot Windows Activation and Repair Tool Crash
Troubleshoot Windows Search Blank Screen by Restoring Defaults