UltraViewer is very lightweight, so it does not affect your computer's performance. However, if you wish to uninstall the software, simply go to Start → Add or remove programs, and select UltraViewer to proceed with the uninstallation. The process is very simple and quick. Specifically, you can follow the steps shown below:

1.Click on the Start button (usually located at the bottom-left corner of your screen)

2. Type Add or Remove Programs into the search bar and press Enter.

3. In the window that appears, you will see a search box under Apps & features.  Type UltraViewer in the search box. When UltraViewer appears in the list of programs, click the three-dot menu (⋯) next to it. Select Uninstall from the dropdown menu. :

4. Select Uninstall.

In the message box that says 'Are you sure you want to completely remove UltraViewer and all of its components?', click Yes.

6. Wait for sometime for the uninstall progress complete. Click Ok to complete the uninstallation