Windows 10 Activation Troubleshooting Checklist
When Windows 10 shows an activation error, the cause is usually a recent hardware change, a corru...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Security Service Failing to Start on Startup
If Windows Security (Windows Defender) fails to start when you boot your PC, you may see a warnin...
Fix BitLocker DNS Error After Windows Update
After a recent Windows update, you might see a BitLocker error that mentions DNS, such as "BitLoc...
Fix OneDrive Sync Invalid Configuration Permission Denied
You open OneDrive and see an error like "Invalid configuration" or "Permission denied" when tryin...
Fix PowerShell Token Expired in VS Code Terminal
If you see a token expired error in the PowerShell terminal inside Visual Studio...
How to Fix RDP SSL Certificate Mismatch Errors
When you try to connect to a remote desktop and see an error like "The certificate is not from a ...
Issue queue
SitemapHow to Fix Black Screen After Remote Desktop Login on Windows
How to Change Security.evtx Location in Windows
How to Fix Outlook Authentication Failed on iPhone Setup
How to Fix Chrome Stuck on Checking for Updates
How to Resolve RDP Connection Refused Error
Troubleshoot Windows Security Startup Failure
Download and Install Store Apps Without Internet
How to Fix Remote Desktop Protocol Version Mismatch
Step-by-Step: Clear Chrome Cache, Keep Passwords
Troubleshoot Teams Proxy Issues
Windows Backup Permission Error Troubleshooting
How to Repair Windows Update Invalid Settings
How to Change Security.evtx Location in Windows
How to Fix Outlook Authentication Failed on iPhone Setup
How to Fix Chrome Stuck on Checking for Updates
How to Resolve RDP Connection Refused Error
Troubleshoot Windows Security Startup Failure
Download and Install Store Apps Without Internet
How to Fix Remote Desktop Protocol Version Mismatch
Step-by-Step: Clear Chrome Cache, Keep Passwords
Troubleshoot Teams Proxy Issues
Windows Backup Permission Error Troubleshooting
How to Repair Windows Update Invalid Settings