Checklists for software errors, setup, and tool workflows.

How to Run Command Prompt as Administrator

Many Windows commands require administrator privileges. If you try to run a command that needs el...

Fix Windows Defender Error 0x80073b01 (Crash on Startup)

If Windows Defender crashes on startup with error code 0x80073b01, the antivirus service may be f...

Fix Docker Build Error: 'failed to solve: manifest not found'

You run docker build and get an error like:

failed to solve: error fetching ...

How to Reset Microsoft Store Settings Without Losing Apps

If the Microsoft Store won't open, downloads hang, or updates fail, resetting the Store can often...

SSH Permission Denied (Publickey) on EC2: Setup Fixes

If you're seeing "Permission denied (publickey)" when trying to SSH into an AWS EC2 instance, the...

Fix Windows Terminal Hanging on Startup

Windows Terminal hangs on startup—you click the icon, the window appears but stays frozen or whit...