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

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 PowerShell Invalid Configuration After Update

After a Windows or PowerShell update, you may see errors like “Invalid configuration” or “Configu...

Fix Chrome Profile Blank Screen with No Error Message

You open Chrome, see a blank window—no error, no crash dialog, just nothing. The browser process ...

How to Fix Windows Defender Error 0x80070422

When you see error 0x80070422 while trying to start Windows Defender, it typically means the Wind...

Fix SSH Permission Denied (publickey) on Raspberry Pi