Hello, For us to further assist you, kindly provide us with the following information: 1. Detailed explanation, with all steps by steps followed, to reproduce the issue. 2. The name and official website of the application you are trying to use. 3. Provide us with the installer of the application by uploading it to a file-sharing and provide us with link. 4. Collect a technical report (right-click Parallels icon in Dock > Help > Send technical data > check "Attach screenshots..." > press Send Report) and provide us with the report's 9-digit ID in reply to this post. Thank you.