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

Fix OneDrive DNS Resolution Issue Step by Step

If OneDrive won't sync and you see errors like 'We can't connect to the server' or 'DNS resolutio...

Remote Desktop Offline Installer Command Line Setup

If you need to deploy Remote Desktop on multiple machines without an internet connection, the off...

Fix Outlook SSL Certificate Error 0x80048820

You try to connect Outlook to your email server and see error 0x80048820. The full message often ...

How to Disable Command Prompt High CPU Usage from Startup Services

If you notice that Command Prompt (cmd.exe) is consuming a lot of CPU right after boot, it's ofte...

How to Fix PowerShell Blank Screen on Startup

When PowerShell opens to a blank screen with no prompt or output, the shell is usually loading a ...

Fix 'ffmpeg command not found' in PHP exec()