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

Fix PuTTY Connection Refused After Server Restart

You restart your server, open PuTTY, and see "Connection refused". This is a com...

Fix BitLocker 'Cannot Access Drive Permission Denied' Error

Understanding the Error

You see 'Cannot access drive. Permission denied' when trying to o...

Fix Windows Search Network Error After Update

After a recent Windows update, you might see a network error when using Windows Search—for exampl...

Fix OneDrive 502 Bad Gateway Permission Denied Error

If you see a 502 Bad Gateway or Permission Denied error when us...

Fix Windows Update Error 504 Gateway Timeout

You're trying to run Windows Update and get a '504 Gateway Timeout' error. This typically means t...