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

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...

How to Clear Microsoft Teams Cache on Mac Step by Step

If Microsoft Teams on your Mac is running slowly, failing to load, or showing sign-in errors, a c...

How to Fix Windows Update Access Denied Error in Command Prompt

Fix 'File in Use' Error When Searching in Windows Explorer

You search for a file in Windows Explorer, and instead of results, you get a 'file in use' error....

Fix Windows Security Rate Limit Error Configuration

You may see a rate limit error in Windows Security when trying to update definitions, run a scan,...

Fix Python venv Activation Not Working on Windows

You open a terminal, navigate to your project, and run venv\Scripts\activate, but no...