Knowledge base for software setup, errors, and daily tool work.

Fix Windows Terminal Permission Denied File Locked Error

Fix Firefox Not Responding When Opening a New Tab

You click the new tab button (or press Ctrl+T) and Firefox freezes, goes white, or shows a spinni...

Fixing Certbot Certificate Renewal Failed Error Code

You run certbot renew and get an error code instead of a renewed certificate. This i...

Fix Ubuntu Installation Error 0x80073cf0 on Microsoft Store

When installing Ubuntu from the Microsoft Store, you may encounter error code 0x80073cf0. This ty...

PowerShell Set-ExecutionPolicy RemoteSigned Not Working: Fixes

You run Set-ExecutionPolicy RemoteSigned and see the change confirmed, but when you ...

How to Fix PuTTY SSH Connection Refused Error

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