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 OneDrive Sync Stuck After Update
After a recent OneDrive update, some users find their files stop syncing. The app may show "Proce...
How to Fix Remote Desktop Connection Refused on Ubuntu
You try to connect to your Ubuntu machine via Remote Desktop (RDP) and get a "connection refused"...
How to Enable DNS over HTTPS in Chrome
If you've noticed that your browser seems to be leaking DNS queries or you want to prevent your I...
How to Fix Windows Security Path Not Found Error
When you open Windows Security and see a "Path not found" error, the app usually fails to load or...
Windows Terminal vs Command Prompt: Which One Should You Use?
If you've ever opened a command-line tool on Windows, you've probably used Command Prompt (cmd.ex...
Issue queue
SitemapHow to Fix BitLocker 0x8031004a at Boot
How to Open Password Protected 7-Zip Archives
Troubleshooting 'Windows Activation Server Not Available'
How to Solve 'Command Not Found' for Remote Desktop
PowerShell Execution Policy Error: Step-by-Step Fix
Maven Dependency 401 Error Fix
How to Choose Which OneDrive Folders Sync on Mac
IIS 502 Error Caused by PowerShell: Troubleshooting
Error 0x80070424 When Updating Apps in Store
Windows Search Index Paused – How to Restart
How to Fix a Corrupted Chrome Profile: Repair Tools & Steps
Windows Update High CPU Usage: Step-by-Step Fix
How to Open Password Protected 7-Zip Archives
Troubleshooting 'Windows Activation Server Not Available'
How to Solve 'Command Not Found' for Remote Desktop
PowerShell Execution Policy Error: Step-by-Step Fix
Maven Dependency 401 Error Fix
How to Choose Which OneDrive Folders Sync on Mac
IIS 502 Error Caused by PowerShell: Troubleshooting
Error 0x80070424 When Updating Apps in Store
Windows Search Index Paused – How to Restart
How to Fix a Corrupted Chrome Profile: Repair Tools & Steps
Windows Update High CPU Usage: Step-by-Step Fix