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

Fix PowerShell High CPU Usage with Permission Denied Errors

You open Task Manager and see PowerShell consuming a high percentage of CPU. At the same time, yo...

Fix PowerShell High Memory Usage from Modules

If PowerShell is consuming excessive memory, especially after running scripts or importing module...

How to Run Command Prompt as Administrator

Many Windows commands require administrator privileges. If you try to run a command that needs el...

Fix ERR_CERT_AUTHORITY_INVALID in Chrome

When Chrome shows ERR_CERT_AUTHORITY_INVALID, it means the browser cannot verify...

Fix Windows Security Authentication Error 0x80070035

Fix Windows Activation Access Denied from Corrupted System Files

You try to activate Windows, but get an 'Access Denied' error. This often happens when system fil...