Checklists for software errors, setup, and tool workflows.

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Fix Windows Defender Permission Denied When Scanning a Folder

You try to scan a folder with Windows Defender and see 'Permission Denied' or 'Access Denied'. Th...

PowerShell Script Shows Blank Window: Fixes That Work

You run a PowerShell script, but instead of output you get a blank window that might close immedi...

Fix 'ffmpeg command not found' in Python Script

You run a Python script that calls ffmpeg, and you see ffmpeg command not found. Thi...

How to Fix 'Permission Denied' When Running PowerShell as Administrator

You right-click PowerShell and select 'Run as administrator', but instead of an elevated prompt, ...

How to Fix PuTTY SSH Connection Refused Error

You open PuTTY, enter your server's IP and port, click Open, and get "Connection refused"...

Microsoft Store Authentication Failed After Update: Fixes
After a Windows update, you might see "Authentication failed" when trying to sign in to the Micro...