If you will see the message "Service is not running: error was detected", it means that service was not started for security reasons, because BSOD was detected and probably caused by MyFolder. This information is saved in minidump file. And each time when MyFolder service starts, it is scaning last minidump file for BSODs caused by MyFolder. And if it finds anything referred to MyFolder, it will stop the service.
To start the program in such case, you will need to do the following:
Step 1. navigate to directory "c:\Windows\Minidump\"
Step 2. sort files by date created
Step 3. rename last minidump file (for example "Mini011010-01.dmp" -> "BackupMini011010-01.dmp")
Step 4. restart computer
After that program should start.