I am working in SW2013 with files that have many configurations. Until yesterday things were going well, but now every time I try to save the program crashes. It actually will save the document but the computer locks up and any other documents that are open are not saved. I need to have several open at once to add configurations. I cannot believe that I am pushing the limit of file size. A sample is attached. Perhaps it is my hardware. Any suggestions?

Doug Bootes