Jupyter Kernel Not Starting in VS Code: Quick Fixes
You open a Jupyter notebook in VS Code, try to run a cell, and the kernel either hangs on "Starti...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix SSL Certificate Error Windows Security Popup
You're working or browsing and a Windows security warning pops up: "There is a problem with this ...
How to Fix Windows Security Error 0x80073b01
You may see error 0x80073b01 when opening Windows Security or trying to use its features. It usua...
How to Fix OneDrive Sync Login Loop
If you're stuck in a OneDrive sync login loop—where you sign in, it seems to work, but then immed...
Fix Windows Update Token Expired by Resetting SoftwareDistribution Folder
If you see a Windows Update error mentioning an expired token, the update components may have sta...
Fix Chrome Profile Module Not Found on Mac
If you see the error 'Your profile could not be opened correctly' or 'The profile module cannot b...
Topic paths
Quick titles
Troubleshooting Windows Search Log File Not FoundTroubleshooting Chrome 504 Error in Windows 10How to Fix Windows Defender Rate Limit and Permission ErrorsTask Scheduler Access Denied Error: Causes and FixesWindows Terminal Token Expired: VS Code FixMicrosoft Store Module Not Found – Quick Fix GuideFix Chrome Profile Network Errors by Clearing CacheChecklist for Microsoft Teams Service Unavailable