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

Fix Windows Command Prompt Access Denied Error

You open Command Prompt, run a command, and get an 'access denied' error. This usually means the ...

Fix PuTTY Connection Refused: Check SSH Service

When you see 'Connection refused' in PuTTY, it usually means the SSH server on the remote machine...

Task Scheduler 502 Bad Gateway: Causes and Fixes

If you see a 502 Bad Gateway error when running a scheduled task that calls a web service or API,...

Windows Update Stuck on Blank Screen: How to Fix

You restart your PC to install updates, but instead of a progress bar, you get a blank screen tha...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Windows Search Not Finding Files After Migration

After moving files to a new drive or PC, Windows Search may stop returning results for those file...