Windows Defender Authentication Failed: Step-by-Step Checklist
You open Windows Security and see 'Authentication failed' when trying to use Windows Defender. Th...
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 Remote Desktop Not Connecting
You try to connect to a remote PC via Remote Desktop (RDP) and get an error, or the connection ju...
OBS Black Screen Troubleshooting Checklist
You launch OBS Studio, start a scene, and the preview shows a black screen. This is one of the mo...
Fix Chrome High Memory Usage with Built-In Task Manager
If Chrome is slowing down your computer or using excessive RAM, the built-in Task Manager can hel...
How to Fix Microsoft Teams Cache Clear Not Working
If you've tried clearing the Microsoft Teams cache through the app's settings or by deleting the ...
Fix Microsoft Teams Dependency Conflict Permission Denied
You try to install or update a Microsoft Teams app or custom bot, and get an error like 'dependen...
Issue queue
SitemapRemote Desktop Clipboard Not Working in Windows 10: Fixes
Troubleshooting BitLocker Connection Refused
Fix Outlook 0x800ccc0f Server Timeout Error
Windows Terminal JSON File Access Denied Troubleshooting
Troubleshooting OneDrive Sync Setup Connection Refused
OneDrive Sync Setup Guide for New Users
BitLocker Settings Not Applying After Reset: Fix
Fix Microsoft Store Blank Screen Loading Issue
Troubleshoot High CPU in PowerShell
How to Use Command Prompt for Network Issues
Microsoft Teams Slow Startup? Turn Off Hardware Acceleration
How to Fix Chrome Profile Corruption with Built-in Repair Tools
Troubleshooting BitLocker Connection Refused
Fix Outlook 0x800ccc0f Server Timeout Error
Windows Terminal JSON File Access Denied Troubleshooting
Troubleshooting OneDrive Sync Setup Connection Refused
OneDrive Sync Setup Guide for New Users
BitLocker Settings Not Applying After Reset: Fix
Fix Microsoft Store Blank Screen Loading Issue
Troubleshoot High CPU in PowerShell
How to Use Command Prompt for Network Issues
Microsoft Teams Slow Startup? Turn Off Hardware Acceleration
How to Fix Chrome Profile Corruption with Built-in Repair Tools