Checklists for software errors, setup, and tool workflows.

Fix VS Code Extension Host Crashing on Startup

If Visual Studio Code opens but then immediately shows an error that the extension host has termi...

OneDrive Invalid Configuration Sync Issue Fix

Understanding the Problem

You open OneDrive and see an error like "Invalid configuration"...

Fix Windows Activation Rate Limit Exceeded After Multiple Attempts

If you see a message saying the activation rate limit has been exceeded after trying to activate ...

Fix Windows Security Virus Scan Stuck at 99%

You run a full virus scan in Windows Security, and it gets stuck at 99% for minutes or hours. Thi...

Fixing Cloudflare 521 Error with Nginx Configuration

The Cloudflare 521 error indicates that your web server is refusing connections. This usually mea...

Fix Windows Defender High Memory Usage & Error 0x80070002

You might see Windows Defender consuming a lot of memory, and then get error code 0x80070002 when...