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

Fix NVM Not Found in Git Bash on Windows

Repair Windows Security Installation via Command Prompt

Windows Security (formerly Windows Defender) can sometimes fail to open, show blank screens, or r...

Fix Windows Update 504 Gateway Timeout Error

You see a 504 Gateway Timeout error when checking for Windows Updates. This usua...

Outlook PST File Locked: How to Unlock and Access It

You try to open your Outlook data file (PST) and get an error that it's locked or cannot be acces...

Fix SSL Certificate Errors in Windows Search

When Windows Search throws an SSL certificate error—often as 'The certificate is not valid' or 'A...

How to Set Up Command Prompt Offline in Windows 10

If you need to set up Command Prompt on a Windows 10 machine that has no internet access, the pro...