response is no longer

Sep 11, 2014 at 2:09 AM
Using Ioniczip in the development program.
The contents of the program, incorporating the process of creating a Zip file dynamically.
however, the program response is no longer in process that create a Zip file of 0 bytes, output to file(txt) data that is searched from Database.
There is almost no reproducibility.
What would you think of factors?

OS:Windows Server 2008 R2
Database:SQL Server2008 R2
.Net Framework:4.0
Programing laungage:C#