Thank you for the provided test files. Unfortunately, I wasn't able to reproduce the problem you are experiencing. If I understand correctly, you are not able to execute any tests on your execution machine, and this leads me to believe that the problem is probably related to a corrupted installation. This could happen if the Scheduling service is running during an upgrade or uninstall.
Please try the following:
1. Stop the Execution server
2. Stop the Scheduling service on your execution machine
3. Uninstall Test Studio and perform a clean install.
If the issue persist after the clean install, please suggest a date and time and we can schedule a GoToMeeting and troubleshoot this on your machine directly.
the Telerik team