Fix 'Port Already in Use' Error with Windows Defender Firewall
You try to start a local service or application, and it fails with an error like 'port already in...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix BitLocker 502 Bad Gateway Network Error
If you see a 502 Bad Gateway error when BitLocker tries to contact a network unl...
How to Fix Outlook Authentication Failed Error
You open Outlook, try to send or receive email, and get an authentication failed error. The progr...
Fix Windows Defender Service Not Starting After Update
After a Windows update, you might find that Windows Defender won't start, leaving your system wit...
BitLocker Auto Unlock Troubleshooting Checklist
BitLocker auto unlock lets you access encrypted drives without entering a password each time. Whe...
Fixing Task Scheduler Invalid Configuration Event ID 101
You open Event Viewer and see Event ID 101 under TaskScheduler with a message about an invalid co...
Issue queue
SitemapError 0x80070005 Windows Search: Permission Fix Guide
Resolve Token Expired Error in VS Code PowerShell
Enable Outlook Logging for Troubleshooting
Fix Settings.json Error in Windows Terminal
How to Fix Permission Denied Error on BitLocker Drive
How to Fix Windows Terminal 404 Error on Open
How to Fix Gradle Main Class Not Found
How to Fix Jupyter Notebook Token Login on Localhost
How to Fix Teams Registry Path Error
Outlook Connection Timeout When Setting Up Exchange Server
Troubleshooting Certbot Nginx Log Errors
Fix Outlook Not Launching on Mac
Resolve Token Expired Error in VS Code PowerShell
Enable Outlook Logging for Troubleshooting
Fix Settings.json Error in Windows Terminal
How to Fix Permission Denied Error on BitLocker Drive
How to Fix Windows Terminal 404 Error on Open
How to Fix Gradle Main Class Not Found
How to Fix Jupyter Notebook Token Login on Localhost
How to Fix Teams Registry Path Error
Outlook Connection Timeout When Setting Up Exchange Server
Troubleshooting Certbot Nginx Log Errors
Fix Outlook Not Launching on Mac