Fixing PowerShell Authentication Failed Due to Certificate Errors
When PowerShell commands fail with "Authentication failed" and mention certificates, the issue is...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Defender Service Not Starting with Permission Denied
If you see 'Windows Defender service not starting – permission denied' when trying to enable Micr...
Fix Outlook Connection Refused Error in IMAP Settings
When Outlook shows a "connection refused" error while setting up or using an IMAP account, it usu...
Fix Windows Search Module Not Found Registry Error
If you see a message like 'Windows Search module not found' when trying to use the search bar, th...
Fix Microsoft Teams 'File Locked' Error When Editing
When you try to edit a document in Microsoft Teams and see a 'file locked' or 'file in use' messa...
How to Fix Command Prompt Rate Limit Error Not Working
When you encounter a rate limit error in Command Prompt and the usual fixes don't work, commands ...
Issue queue
Sitemappnpm Store Permission Denied: Reset Permissions Checklist
Microsoft Teams Reset Settings Guide
Windows Security High RAM Usage Fix
Windows Defender Troubleshooting Checklist for Common Errors
Microsoft Store Access Denied Fix Checklist
How to Recover When BitLocker Token Expires
Remote Desktop Authentication Error Occurred – Troubleshooting Guide
Chrome Browser Setup Checklist for Ubuntu
Troubleshooting Error 0x80070643 with Windows Defender on Mac
Remote Desktop Connection Refused Windows 10 Fix
Nginx 502 Bad Gateway Troubleshooting via CLI
Chrome Profile Loading Timeout Troubleshooting
Microsoft Teams Reset Settings Guide
Windows Security High RAM Usage Fix
Windows Defender Troubleshooting Checklist for Common Errors
Microsoft Store Access Denied Fix Checklist
How to Recover When BitLocker Token Expires
Remote Desktop Authentication Error Occurred – Troubleshooting Guide
Chrome Browser Setup Checklist for Ubuntu
Troubleshooting Error 0x80070643 with Windows Defender on Mac
Remote Desktop Connection Refused Windows 10 Fix
Nginx 502 Bad Gateway Troubleshooting via CLI
Chrome Profile Loading Timeout Troubleshooting