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

Fix 'Windows Security App Not Installed' on Windows 10

You open the Start menu, search for Windows Security, and nothing shows up. Or you see a message ...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix BitLocker Connection Timeout Configuration Issues

If you see errors like "BitLocker connection timeout" or recovery key prompts due to network dela...

How to Fix PowerShell Proxy Error: Step-by-Step Guide

If you see a proxy error in PowerShell—like Unable to connect to the remote server o...

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...

Chrome Sync Not Working with Multiple Profiles: Fixes

If you use multiple Chrome profiles and sync stops working—bookmarks missing, passwords not updat...