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

Fix Windows Defender Invalid Configuration Error 0x800705b4

When you see error 0x800705b4 in Windows Defender, it usually appears during an update or scan at...

Setup Task Scheduler to Auto Start a Program on Boot

You want a program to launch automatically every time Windows starts. While the Startup folder wo...

Fix PowerShell Proxy Authentication Failed Errors

Fix OneDrive Sync Error 0x8004de40 on Windows

When OneDrive shows error 0x8004de40, it usually means a network problem is blocking the sync. Yo...

Resolving Task Scheduler Port Conflicts: A Practical Guide

When a scheduled task fails to run and you see errors like 'port already in use' or 'cannot bind ...

How to Fix Remote Desktop Protocol Version Mismatch

You try to connect to a remote PC and get an error like “This computer can’t connect to the remot...