Fix Remote Desktop Certificate Error Authentication Failure
You attempt to connect to a remote PC via Remote Desktop (RDP) and see an error like “Authenticat...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Outlook File Locked by Outlook.exe Not Responding
If you see an error that your Outlook data file (.pst or .ost) is locked because Outlook.exe is n...
Windows Security App Missing After Update: How to Fix
After a Windows update, you might find the Windows Security app missing from the Start menu or sy...
Fix Microsoft Teams SSL Certificate Not Trusted Error
When you open Microsoft Teams and see an error like "SSL certificate not trusted" or "Your connec...
How to Fix Task Scheduler File Locked Error
When a Task Scheduler task fails with a 'file locked' error, it usually means another process is ...
Fix High CPU Usage in PowerShell After Update
After a recent Windows update, you might notice that PowerShell (or PowerShell ISE) is consuming ...
Issue queue
SitemapNetwork Error Stopping Windows Defender Protection
Fix Outlook Setup Failed Permission Denied Error
Fix Outlook for Mac Exchange Sync Errors
OneDrive Sync Access Denied: Quick Fixes
Windows Update Error 0x80070020 Fix Guide
Fix Firefox Not Responding: Disable Hardware Acceleration
Fix SharePoint Search Not Showing in Windows
How to Fix Chrome Profile Corruption Error
Chrome Port Already Allocated: Quick Fix Guide
How to Fix Mapped Drive Path Not Found in Remote Desktop
How to Resolve Microsoft Teams Access Denied Error
Windows 10 Activation Stuck on Checking Internet Connection
Fix Outlook Setup Failed Permission Denied Error
Fix Outlook for Mac Exchange Sync Errors
OneDrive Sync Access Denied: Quick Fixes
Windows Update Error 0x80070020 Fix Guide
Fix Firefox Not Responding: Disable Hardware Acceleration
Fix SharePoint Search Not Showing in Windows
How to Fix Chrome Profile Corruption Error
Chrome Port Already Allocated: Quick Fix Guide
How to Fix Mapped Drive Path Not Found in Remote Desktop
How to Resolve Microsoft Teams Access Denied Error
Windows 10 Activation Stuck on Checking Internet Connection