I installed 337 and loaded it up. I made a couple of additions to exposures in 2 targets. All equipment connected normally. When I hit run sequence, it focused successfully then plate solved. It then resumed the guider successfully. As soon as the guider was successful, SGP brought up the end of sequence window. I cancelled it and tried again. Same result.
An interesting thing then happened when I closed SGP using the red X, the Windows Themes window popped up.
So I reinstalled build 330 and using the same sequence, it started up normally and is imaging away without problems.
I looked at the log and it says that the sequence global stop was to end this morning. Could 337 be seeing the date incorrectly as 330 is working just fine with the same sequence?