I can't open an asm file in solidwork 2011 I don't know why. Help please!

When I try to open my work, I cant't and I dont' know why because I have save before close.
I have put capture of the message in attachments.

1 Answer

You designed the file that you previously designed with the new versions of SolidWorks and the 2011 version cannot open it. Try to use the updated version of SolidWorks software.