System.InvalidOperationException: Unable to generate a temporary class (result=1)

Question

I have developed an application using .net 3.5 and have deployed it as an .exe on a number of machines with the same environment. However, on one particular machine I get th

Answer 1

It may be bacause you are switching application pooling identity in IIS to be password instead of predefined so you have one off the following

1. return to predefined
2. give prmission full control to user IWAM_WBSRV-01 on the windows temp folder