Checklists for software errors, setup, and tool workflows.

How to Fix PowerShell Stuck on Loading

If PowerShell appears to hang or take forever to load, the most common cause is a problematic pro...

Fix Jupyter Notebook Token Not Working in VS Code

You enter your Jupyter notebook token in VS Code, but it fails to connect. The server log shows a...

How to Fix Windows Defender Antivirus Disabled Permanently

If Windows Defender Antivirus stays disabled even after you try to turn it on, the problem is oft...

How to Bypass Proxy in PowerShell Commands

When running PowerShell commands that make web requests, a configured proxy can sometimes block o...

Fixing Nginx Permission Denied for Upstream Unix Socket

If you see connect() to unix:/var/run/php-fpm.sock failed (13: Permission denied) in...

Fix Git Clone Permission Denied (publickey) on Bitbucket

You try to clone a Bitbucket repository and see:

Permission denied (publickey).
fatal: Co...