A problem in the course of coregistration

data:A pair of s1
I have process the s1 data the whole day for coregistration.When I felt I would succeed, the trouble came.By the way,my PC have a core i5 4690,8G memory.I know a short of the PC memory and I will update with adding a 8G memory.I strongly want to get the result of coregistration,but Things go athwart.I think I need your help,Iveci.

Have you tried using the file cache option from the tools -> options -> s1tbx

I haven’t seen the option before.I will have a try.