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

Fix Windows 10 Error 0xc004c003: Invalid Product Key

You see error 0xc004c003 during Windows 10 activation, with a message that the product key is not...

Fix PowerShell Proxy Authentication Failed Errors

Fix Microsoft Teams High CPU Usage After Update

After a recent update, you may notice Microsoft Teams using 50-80% of your CPU, making your syste...

Fix Windows Activation Error 0x80070002 (Dependency Conflict)

You try to activate Windows and get error 0x80070002. The message often says something like “depe...

Fix Windows Terminal High CPU Usage: Configuration Tips

If Windows Terminal is using an unexpectedly high amount of CPU, it's often due to misconfigured ...

How to Repair Corrupted Task Scheduler Files in Windows

If your scheduled tasks are not running, throwing errors like “The task image is corrupt or has b...