Thanks guys;
In frankness not sure if the problem is remedied.
I walked through the ACR Troubleshooting link you sent.
Unable to find anything unusal in the reports. I deleted the ACR log files and tried it again. I was able to run ACR after this. I checked ACR performance preference and it now shows using full acceleration 8Gb
Not sure if the error below is of any significance?
Error: Unexpected re-entrancy in RedrawMonitor -- skipping ***
There are several of these errors repeating in the log.
There are also several warnings;
Warning: CRFormat obj accessed from Filter code. ***
Last line: CRFilmStrip::ClearAllSavedManualNRSettings
On second run of ACR almost the same, except last line.
TrimFootprint: 503.6 MB purged from pools.
I ran ACR purge last night to clear. Not sure where it purged this huge log jam.
In any case appreciate the information and now I know where to look in the future.