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 Windows Store Error 0x80073cf9 Permission Denied
When you see error 0x80073cf9 in the Windows Store, it usually means the installer can't write to...
How to Fix VS Code Terminal 'Permission Denied' in PowerShell
When you open the integrated terminal in VS Code and run PowerShell commands, you might see a 'pe...
Fix Windows Activation Error After Clean Boot
You've performed a clean boot to troubleshoot a problem, and now Windows reports an activation er...
How to Speed Up Windows Activation Process
Windows activation can sometimes take longer than expected, leaving you stuck on a loading screen...
BitLocker Recovery Key on Ubuntu: How to Access Encrypted Drives
You're on Ubuntu, and a Windows BitLocker-encrypted drive is prompting for a recovery key. This i...
Issue queue
SitemapWindows Update 0x800f0922 Troubleshooting
Windows Defender Won't Turn On: 0x80070422 Troubleshooting
Windows 10 Activation Permission Denied Fix
How to Fix Mapped Drive Path Not Found in Remote Desktop
Windows Defender Configuration Corrupted Fix
Fix systemd Service Infinite Restart Loop
Firefox Frozen? Safe Mode Troubleshooting Steps
Setup Chrome Profile Download Location on Windows
How to Fix Docker Daemon Not Running (New Users)
How to Fix Windows Defender Startup Failure via Registry
Fix Task Scheduler Stuck on Loading with Service Not Running
Resolving DNS_PROBE_FINISHED_BAD_CONFIG on Windows and Mac
Windows Defender Won't Turn On: 0x80070422 Troubleshooting
Windows 10 Activation Permission Denied Fix
How to Fix Mapped Drive Path Not Found in Remote Desktop
Windows Defender Configuration Corrupted Fix
Fix systemd Service Infinite Restart Loop
Firefox Frozen? Safe Mode Troubleshooting Steps
Setup Chrome Profile Download Location on Windows
How to Fix Docker Daemon Not Running (New Users)
How to Fix Windows Defender Startup Failure via Registry
Fix Task Scheduler Stuck on Loading with Service Not Running
Resolving DNS_PROBE_FINISHED_BAD_CONFIG on Windows and Mac