Hello,Same issue here with 18.3.1
Reinstalled 18.2 now working again.
For us to further investigate and report the issue, kindly provide us with the below information:
1. Reproduce the issue.
2. With Parallels Desktop 18.2, kindly collect a technical report (click Parallels icon || > Help > Send technical data > check "Attach screenshots..." > press Send Report) and provide its 9-digit ID here.
3. Update to Parallels Desktop to 18.3.1
4. With Parallels Desktop 18.3.1, collect an additional technical report (click Parallels icon || > Help > Send technical data > check "Attach screenshots..." > press Send Report) and provide its 9-digit ID here.
Thank you.