Ekilem Melodie

I crash when entering edit or build mode. what can ı do? more information, I am in secondlife 2 years and never happened before like this eror. ı uninstall fully my viewer and download again but still same. ı crash when edit my clothes or open build from last night. I try other viewers and all of same problem. also ı try older versions and again ı crashed. So really ı don't know what should ı do.