When a console or Windows Forms application is running under a user account, the CLR keeps a record of the assemblies that the application actually loads; a record isn’t kept for ASP.NET Web Forms or XML Web services applications. This assembly load information is accumulated in memory and is written to disk when the application terminates. The files that contain this information are written to the following directory:
C:\Documents and Settings\UserName\Local Settings\ Application Data\ApplicationHistory
UserName identifies the name of the logged-on user.
If you look in this directory, you’ll see files like this:
Volume in drive C has no label. Volume Serial Number is 94FA-5DE7 Directory of C:\Documents and Settings\v- ...