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

How to Set Up Proxy in Command Prompt for Network Access

If your network requires a proxy server to access the internet, you may need to configure it in t...

Checklist for Troubleshooting Chrome 504 Error

You're browsing in Chrome and suddenly see 504 Gateway Timeout. The page won't l...

Fix Command Prompt Not Recognizing Commands

Fix Microsoft Store Authentication Fails Due to Proxy

If you see authentication errors in Microsoft Store and suspect a proxy, you're likely hitting a ...

How to Unlock a File in Use by Another Program in Windows

You try to delete, rename, or move a file in Windows and get an error: "The action can't be compl...

MySQL Connection Refused Authentication Error Checklist

You're trying to connect to a MySQL server and you get one of these: ERROR 2003 (HY000): Ca...