Lotus Client 9.0.1 FP4 Social edition crashes

We are experiencing the Lotus Client 9.0.1 FP4 Social edition crashes after migrating from 8.5.1 Standard Configuration on WINDOW 7 Citrix machine. WIN7 server is build with 5 GB of RAM on 64 bit machine. Any one facing similar crash issue with 9.0.1 FP4. Need your assistance.

Subject: Crash

In order to determine why the machine is crashing, you will need to get an NSD from the machnine. I wuold also advise you to then contact IBM and open a PMR and supply them with the NSD to troubleshoot the issue.