Fix Jupyter Kernel Not Starting on Windows 10
When you launch a Jupyter notebook and the kernel never starts—or shows a 'Kernel error' or 'Conn...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix OneDrive Sync Not Working on Ubuntu
If OneDrive stops syncing on Ubuntu, you'll likely see stale files, missing changes, or error mes...
Microsoft Teams Connection Refused: Troubleshooting Checklist
When Microsoft Teams shows a 'connection refused' error, the app cannot reach its servers. This u...
Fix Task Scheduler Auto Start When Service Not Running
You set a task to run at startup in Task Scheduler, but it never executes. One common reason: the...
Fix Windows Security Module Not Found in Windows 11
You open Windows Security and see 'Windows Security module not found' or the app fails to launch....
Fix Windows Defender Service Permission Denied Error
You try to start Windows Defender or change its settings and get an error like 'Service permissio...
Issue queue
SitemapOutlook Safe Mode Troubleshooting for Blank Screen
Troubleshoot Redis ECONNREFUSED Error
OneDrive Sync Path Error: Fix Checklist
Outlook Stuck on Loading Profile Registry: Fixes
Clear Space on C: Drive to Install Windows Updates
How to Stop Windows Activation High CPU Usage
Outlook Not Receiving Emails from One Sender: How to Fix
Fix Windows Terminal Slow Performance in VS Code
Fix 'Module Not Found' in Python Virtual Environments
Resolve WSUS Version Mismatch with Windows 10/11
Fix Windows Update SSL Certificate Error After Time Change
OneDrive Error 0x8004de40: Service Unavailable Fix
Troubleshoot Redis ECONNREFUSED Error
OneDrive Sync Path Error: Fix Checklist
Outlook Stuck on Loading Profile Registry: Fixes
Clear Space on C: Drive to Install Windows Updates
How to Stop Windows Activation High CPU Usage
Outlook Not Receiving Emails from One Sender: How to Fix
Fix Windows Terminal Slow Performance in VS Code
Fix 'Module Not Found' in Python Virtual Environments
Resolve WSUS Version Mismatch with Windows 10/11
Fix Windows Update SSL Certificate Error After Time Change
OneDrive Error 0x8004de40: Service Unavailable Fix