At the moment that will not help...Upgrading to MR5 will only help reducing your disk space..
Don't worry the fix should be out either today or tommorow that will automatically fix everything SEPM ..and sep will automatically get latest updates without human intervention.
Latest update on this issue today was
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Hi All
The team has completed one certification pass with extremely positive results, but we still need more time before posting. Our goal continues to be one that ensures the fix meets the highest quality with minimal customer intervention. Due to the complexity of testing, it is unlikely that the first fix will be delivered today while our confidence level for posting the fix tomorrow is higher it still continues to fluctuate based on test results. I do realize the frustration this is causing with the moving target. This is the latest information that we have. Please be patient as we will be post another status later this evening.
As a reminder, once we are ready to post I will provide a 2 hour notification window before it goes live.
JimW
Jim Waggoner
Director Product Management, Symantec Endpoint Protection, Enterprise Security Group, Symantec