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

How to Clear OneDrive Sync Cache and Fix Sync Issues

If your OneDrive files are stuck syncing, showing error icons, or the process uses high CPU, the ...

Fix PowerShell High CPU Usage When Idle

If you notice PowerShell consuming high CPU even when the system appears idle, it's often due to ...

Fix Windows 10 Product Key Not Working on Mac Boot Camp

If you've installed Windows 10 on a Mac via Boot Camp and your product key isn't accepted, you're...

Fix KMS Activation Error: Port 1688 Already in Use

Task Scheduler Dependency Conflict Configuration Checklist

When a scheduled task fails to run, the cause is often a dependency conflict — the task relies on...

How to Fix PowerShell Authentication Failed Errors

When you see "authentication failed" in PowerShell, it typically happens during remote sessions (...