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

How to Enable DNS over HTTPS in Chrome

If you've noticed that your browser seems to be leaking DNS queries or you want to prevent your I...

Fix Windows Search 502 Bad Gateway Errors Caused by Firewall Blocks

You open Windows Search, type a query, and get a "502 Bad Gateway" error. This often means a fire...

Fix Chrome Enterprise Authentication Failed Error

If Chrome in your organization shows an "authentication failed" error when trying to sign in or a...

Fix Chrome Profile Cannot Connect to Proxy Server

When you open Chrome and see 'cannot connect to the proxy server', it usually means your browser'...

Fix Windows Activation 502 Bad Gateway Server Timeout

When activating Windows, you may encounter a '502 Bad Gateway – Server timeout' error. This typic...

Command Prompt Setup Guide for Beginners

What is Command Prompt?

Command Prompt is a text-based interface in Windows that lets you...