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

Fix Microsoft Store Error by Changing DNS Settings

If the Microsoft Store won't load, shows error 0x80131500, or fails to download apps, a DNS issue...

How to Fix Remote Desktop High CPU Usage on Windows 10

If you notice your Windows 10 machine grinding to a halt when using Remote Desktop (RDP), high CP...

How to Get a BitLocker Offline Installer for Windows 11

You need to enable BitLocker on a Windows 11 PC that has no internet access, or you're stuck with...

How to Fix Windows Security DNS Error

You open Windows Security and see a message like 'DNS server not responding' or 'Your device is m...

Fix SSH Permission Denied (publickey) on Raspberry Pi