This article applies as of PRTG 21.1.65
Since the update to PRTG 21.1.65, Unable to open the PRTG web interface by double-clicking the desktop shortcut. The Windows User Account Control opens and asks for administrator credentials.
Workaround for opening the PRTG web interface as a Windows local user
With PRTG 21.1.65, we changed the browser selection logic for accessing the PRTG web interface via the desktop shortcut. Because of this, you now need administrative rights for Windows to open the PRTG web interface from your desktop.
As a workaround, you can manually open a compatible browser and enter the URL with which you access the PRTG web interface. Make sure that you use one of the supported browsers.
Disclaimer:
The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.