Fix 'Command Prompt Authentication Failed' – Run as Administrator
When you see 'authentication failed' in Command Prompt, it usually means your current session lac...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Task Scheduler 'File Locked' or 'Access Denied' Errors
You set up a scheduled task to run a script or program, but it fails with 'File Locked' or 'Acces...
How to Fix Windows Security Invalid Configuration Error
If you see a message that says "Invalid configuration" when opening Windows Security, the app usu...
Fix SSL Certificate Verify Failed in Command Prompt
If you see SSL certificate verify failed when running commands in Command Prompt, it...
How to Reset Windows Security Settings to Default
If Windows Security is blocking a trusted app, showing persistent warnings, or behaving oddly aft...
Remote Desktop Access Denied After Update: Fixes That Work
After a recent Windows update, you might see "Access Denied" when trying to connect via Remote De...
Issue queue
SitemapWindows 10 Task Scheduler Not Running? Fix It Here
Troubleshooting Windows Search 0x80070005 in Windows 10/11
Fix Task Scheduler Not Working After Windows Update
Fix High CPU Usage in PowerShell After Update
Command Prompt Default Settings Restore Guide
Bypass Proxy in Windows Terminal Guide
Fix Remote Desktop Connection Refused on Windows 10
Resolve Outlook Startup Failure Due to Add-Ins
Troubleshoot Windows Activation Problems
BitLocker Service Unavailable: Complete Troubleshooting
Windows Search Configuration Best Practices
Fix Git Push Rejected Non-Fast-Forward
Troubleshooting Windows Search 0x80070005 in Windows 10/11
Fix Task Scheduler Not Working After Windows Update
Fix High CPU Usage in PowerShell After Update
Command Prompt Default Settings Restore Guide
Bypass Proxy in Windows Terminal Guide
Fix Remote Desktop Connection Refused on Windows 10
Resolve Outlook Startup Failure Due to Add-Ins
Troubleshoot Windows Activation Problems
BitLocker Service Unavailable: Complete Troubleshooting
Windows Search Configuration Best Practices
Fix Git Push Rejected Non-Fast-Forward