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

How to Fix PowerShell DNS Errors Not Working

When PowerShell throws a DNS error and stops working, it usually means a name resolution failure....

BitLocker Setup Guide for Removable USB Drive

You need to encrypt a USB drive with BitLocker to protect sensitive files. This guide walks throu...

Reduce Microsoft Teams High CPU Usage: Practical Fixes

If Microsoft Teams is making your laptop fan spin loudly or slowing down other apps, high CPU usa...

Fix Maven Dependency Resolution Failed in IntelliJ

How to Fix Microsoft Teams Update Error 0x80070005

You try to update Microsoft Teams and get error 0x80070005. This usually means the installer can'...

OpenVPN Connection Failed: Check Firewall Settings

You see "connection failed" in your OpenVPN client log. The server is reachable, but the handshak...