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

Fix Missing Windows Security After Update

After a Windows update, you might find that Windows Security (formerly Windows Defender) is missi...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix Remote Desktop Blank or Black Screen on Windows 10

When you connect to a Windows 10 machine via Remote Desktop and see only a black or blank screen,...

How to Backup Task Scheduler Settings Before Resetting

When you're about to reset your Windows PC or reinstall the operating system, you may lose all yo...

Fix Windows Security Offline Installer Error 0x80070643

You're trying to install Windows Security (formerly Windows Defender) using an offline installer,...

Fix OneDrive Sync Dependency Conflict in Office 365

Users sometimes encounter OneDrive sync errors that trace back to a dependency conflict with Offi...