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

Fix Task Scheduler SSL Certificate Expired Error

If a scheduled task that connects to a remote service (e.g., web API, FTP over SSL) starts failin...

How to Revert BitLocker Settings to Default

If you've changed BitLocker settings and need to go back to the original configuration, this guid...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix OneDrive Sync Dependency Conflict with Registry Edit

If OneDrive shows a sync error with a message about a dependency conflict, it often means a regis...

Fix Windows Terminal File Locked Error 0x80070020

When you try to open a file in Windows Terminal and get error 0x80070020, it usually means the fi...

Fix Microsoft Teams Camera Not Working After Update

After a Microsoft Teams update, your camera may stop working. Common symptoms: a black screen, a ...