MySQL Connection Refused on Port 3306: Causes and Fixes
If you're seeing "connection refused" when trying to connect to MySQL on port 3306, the MySQL ser...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Install Windows Security on Ubuntu (via Virtual Machine or Wine)
If you're looking to run Windows Security (Microsoft Defender) on Ubuntu, you've hit a fundamenta...
Fix 'Command Prompt Authentication Failed' – Run as Administrator
When you see 'authentication failed' in Command Prompt, it usually means your current session lac...
Fix Microsoft Teams Mic Not Working with External Microphone
You plug in an external microphone, but Microsoft Teams still won't pick up your voice. This is a...
Fix Task Scheduler Path Not Found Sync Error
If you're seeing a 'path not found' error in Task Scheduler when trying to sync files or folders,...
How to Run Command Prompt as Administrator on Mac
If you're coming from Windows, you might be looking for a way to run something like Command Promp...
Issue queue
SitemapTask Scheduler Not Responding? High Memory Fixes
Windows Update Config Sync Troubleshooting
Chrome Update Error 0x80070002 Windows 7 Troubleshooting
Fix Windows Security File Lock Error
How to Rebuild the Windows Search Index
Mac Terminal: Chrome Command Missing – Quick Fix
Enterprise Windows Defender Setup Checklist
Troubleshoot GitHub Actions Permission Denied for Git
Fix Windows Update Errors by Clearing Cache
Chrome Extension Troubleshooting Checklist
How to Fix DNS_PROBE_FINISHED_NXDOMAIN in Chrome
Reset SSL Certificate for Microsoft Store
Windows Update Config Sync Troubleshooting
Chrome Update Error 0x80070002 Windows 7 Troubleshooting
Fix Windows Security File Lock Error
How to Rebuild the Windows Search Index
Mac Terminal: Chrome Command Missing – Quick Fix
Enterprise Windows Defender Setup Checklist
Troubleshoot GitHub Actions Permission Denied for Git
Fix Windows Update Errors by Clearing Cache
Chrome Extension Troubleshooting Checklist
How to Fix DNS_PROBE_FINISHED_NXDOMAIN in Chrome
Reset SSL Certificate for Microsoft Store