Please try to manually uninstall the spacedesk components.
Please follow the steps from our user manual, Manual Uninstall (Troubleshooting Only).
Then, proceed with updating to the latest version.
In case the problem still persists, please send us the following for further analysis:
– run dxdiag.exe on your primary machine, click “Save all information” and send us the output file
– spacedeskSetup.log file located in C:\Users\Public
– setupapi.dev.log file located in C:\Windows\INF
Please save all requested files in one folder, then right-click -> Send to -> Compressed (zipped) folder, then attach the *.zip file on your next reply.