Checklists for software errors, setup, and tool workflows.

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Fix Visual Studio Installer Error 0x80070643

You're trying to install or update Visual Studio, but the installer fails with error code 0x80070...

Fix Nginx Config Test Fails with 'upstream host not found'

You run nginx -t and get upstream host not found. The config test fails...

Fixing Command Prompt Authentication Failed Access Denied

You're running a command in Command Prompt and get hit with "Authentication failed" or "Access de...

Chrome Cache Not Working After Settings Change: Fix Guide

You changed a Chrome setting and now the cache isn't working properly. Pages reload slowly, old c...

Fixing SQLite Database Locked and Permission Denied Errors

When working with SQLite, you might see errors like database is locked or perm...

Fixing 504 Gateway Timeout from Windows Update with Proxy
If you see a "504 Gateway Timeout" error when running Windows Update, and your system uses a prox...