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...

Force Delete a File Locked by Windows Command Prompt

You're trying to delete a file in Windows, but you get an error saying the file is open in 'comma...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...

How to Fix Microsoft Store App Installation Permission Denied

When you try to install an app from the Microsoft Store and get a 'permission denied' error, it u...

Fix Windows Defender Rate Limit Error on Windows 11

You may see a rate limit error when using Windows Defender on Windows 11. This usually happens du...