Jupyter Kernel Not Starting: Quick Fixes
You open a notebook, try to run a cell, and the kernel dies or never connects. This is a common J...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Security Token Expired After Password Change
If you've recently changed your Windows password and now see errors like 'The security token has ...
How to Fix FileZilla Connection Timed Out Error 10060
If you see “Error: Connection timed out after 20 seconds of inactivity” with code 10060 in FileZi...
Fix OneDrive 'Permission Denied' When Accessing Folders
You try to open or sync a folder in OneDrive and get a "Permission Denied" or "Access Denied" mes...
Fix Windows Search Connection Timeout Errors
If Windows Search stops returning results or shows a connection timeout error, it's often because...
Fix 'Secure Connection Failed' in Firefox for Android
When browsing on Firefox for Android, you may encounter a 'Secure Connection Failed' error. This ...
Issue queue
SitemapHow to Fix 'Could not get lock' in Ubuntu APT
How to Repair Activation Path Registry Error
Resolve Chrome Profile Rate Limit
Reset Windows Security to Default Settings
Windows Defender Version Mismatch: Troubleshooting Guide
Fix Windows Activation Server Not Reachable
How to Fix Windows Security Blank Screen Issue
Fix Windows Activation Port Error 0x80072efd
How to Fix Windows Activation in Dual Boot with Ubuntu
OneDrive Sync Troubleshooting: Folder Setup Guide
Windows Terminal Post-Install Checklist: 10 Essential Tweaks
How to Fix Microsoft Store Error 0x80070005
How to Repair Activation Path Registry Error
Resolve Chrome Profile Rate Limit
Reset Windows Security to Default Settings
Windows Defender Version Mismatch: Troubleshooting Guide
Fix Windows Activation Server Not Reachable
How to Fix Windows Security Blank Screen Issue
Fix Windows Activation Port Error 0x80072efd
How to Fix Windows Activation in Dual Boot with Ubuntu
OneDrive Sync Troubleshooting: Folder Setup Guide
Windows Terminal Post-Install Checklist: 10 Essential Tweaks
How to Fix Microsoft Store Error 0x80070005