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

Fix PowerShell Connection Refused Errors in Scripts

When a PowerShell script fails with a 'connection refused' error, it usually means the script tri...

Fix Chrome 'Permission Denied' for Notifications Not Working

You click "Allow" for notifications in Chrome, but the site says "permission denied" or the notif...

Fix Windows Security Authentication Error 0x80070035

How to Fix Edge Update Error 0x80072eff

When updating Microsoft Edge, you may encounter error 0x80072eff with a message that the update f...

How to Fix Chrome DNS Error Code 105 (ERR_NAME_NOT_RESOLVED)

If you see "DNS error code 105" or "ERR_NAME_NOT_RESOLVED" in Chrome, it means the browser cannot...

How to Run Command Prompt as Administrator for Setup Tasks

Many setup tasks—installing software, configuring system services, or modifying protected files—r...