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

Fix Windows Activation High Memory Usage After Update

After a recent Windows update, you might notice your PC running slowly and Task Manager showing t...

Outlook 404 Not Found on Shared Mailbox: Fixes & Checks

You try to open a shared mailbox in Outlook and see a 404 Not Found error. This usually means Out...

Command Prompt Connection Error Troubleshooting Guide

Fix Chrome Tunnel Connection Failed: Network Config Guide

When Chrome shows 'tunnel connection failed' or 'ERR_TUNNEL_CONNECTION_FAILED', it usually means ...

BitLocker Asking for Recovery Key at Every Boot? Here’s How to Fix

You boot your Windows PC and instead of the usual login screen, BitLocker demands the recovery ke...

How to Reinstall a Chrome Extension Without Losing Data

When a Chrome extension stops working, you might need to reinstall it. But you don't want to lose...