Could not load file or assembly exception

Question

Any thoughts on what might be causing this exception?

I have a webservice proj, when i load the link i get

Could not load file or assembly \'I

Answer 1

Ok the answer is Got to Start->Run->type inetmgr and on the left application pools, select DefaultAppPool and the virtual directory name of the app and for both make sure to enable 32 -bit applications to true, am using IIS7.0 and windows 7 64-bit.