untitled folder created in Users folder while computer was off and I was on holidays

Please run Etrecheck and post its full report here.

Use the “additional text” button and paste the report into the text box.

With the report we will be able to check for possible causes.

"Automatic updates disabled - Automatic updates are disabled. This computer is at risk of malware infection.

Security updates disabled - Security updates are disabled. This computer is at risk of malware infection.

Apple security disabled - Apple security software is disabled. This computer is at risk of malware infection."

From the report.

Automatic updates disabled - Automatic updates are disabled. This computer is at risk of malware infection.

Security updates disabled - Security updates are disabled. This computer is at risk of malware infection.

Apple security disabled - Apple security software is disabled. This computer is at risk of malware infection.

I'll not address your current issue, but with security turned off, you'll opening yourself up to all manner of "bad guy" stuff.