Setup Environment Variables to Fix Command Not Found
You type a command you know is installed, but the shell replies: command not found. ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix PowerShell Azure Token Expiring After 1 Hour
If you're running PowerShell scripts against Azure and find that your authentication token expire...
How to Reinstall the Windows Security App (Microsoft Defender)
If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...
How to Fix Task Scheduler High Memory Usage Error
If Task Scheduler is using excessive memory (e.g., over 200 MB), your system may feel sluggish. T...
Windows Terminal Performance Optimization Checklist
If Windows Terminal feels sluggish—slow to open, laggy when typing, or jerky when scrolling—you’r...
Fix Outlook Authentication Error on Ubuntu
If you see "authentication failed" or "password incorrect" when trying to connect Outlook (Micros...
Issue queue
SitemapFix OneDrive Sync Error 0x8007016a During Migration
Command Prompt Layout Reset: Restore Defaults Easily
Windows 11 Defender Proxy Error: Causes and Fixes
How to Refresh an Expired OneDrive Token
How to Bypass Go Proxy for Private Modules
Firefox Profile Deleted? Here's How to Get It Back
Fix Windows Update Connection Timeout Due to Proxy Settings
Teams Access Denied: Causes and Solutions
How to Resolve DNS Error in Windows Security
Fix Chrome-Only No Internet Connection
Ubuntu Command Prompt Not Working After Update: Fixes
How to Revert Remote Desktop Port to 3389
Command Prompt Layout Reset: Restore Defaults Easily
Windows 11 Defender Proxy Error: Causes and Fixes
How to Refresh an Expired OneDrive Token
How to Bypass Go Proxy for Private Modules
Firefox Profile Deleted? Here's How to Get It Back
Fix Windows Update Connection Timeout Due to Proxy Settings
Teams Access Denied: Causes and Solutions
How to Resolve DNS Error in Windows Security
Fix Chrome-Only No Internet Connection
Ubuntu Command Prompt Not Working After Update: Fixes
How to Revert Remote Desktop Port to 3389