In case if the “Cannot start with Window” error on UltraViewer persists, you can send an email to the address for help.

Step 2: Tick the option Run UltraViewer with Windows and restart your computer to apply the change. Step 1: Reopen UltraViewer by right clicking on the icon UltraViewerselect Run as administrator. To fix the “Cannot start with Window” error on UltraViewer, follow the steps below: Some users said that after installing and activating Ultraviewer on Windows 10 64-bit, but the application does not start, the error message “Cannot start with Window” is displayed on the screen. Error: “Cannot start with Window” on UltraViewer Change or clear proxy settings to fix UltraViewer error when connecting to remote desktop.ĭisable IP spoofing software as these can be the cause of UltraViewer errors. Supplement: Alternatively you can open Internet Options by typing Internet Options Go to the Search box on the Start Menu (on Windows Vista) or access the browser Internet Explorer => Options. Change proxy settings to No proxy (connect directly to the internet). Open UltraViewer, then go to Settings (settings) => Options (option).

Step 2: Make sure the firewall (Firewall) is not blocking port 2112 or blocking the application process: UltraVIewer_desktop.exe.

How to disable ultraviewer