It is 11.50 with 11.52 patch
and we are able to resolve this as there are few dll files missing
As the error is related to LrWebIEBrowserMgr.dll, found that the particular dll file is missing.
Do the steps below to add it
Step 1: bcdedit /set nx AlwaysOff
Step 2: Restart the machine
Step 3 : navigate to VuGen bin directory in command prompt
C:\Program Files (x86)\HP\Virtual User Generator\bin>regsvr32/s LrWebIEBrowserMgr.dll
The issue got resolved and there were no LR crashing error