Glad you got it resolved!

>The solution to the problem was setting Trace to "false" in web.config. I had it there to "true" while testing the app on my server and forgot to turn it off. I don't know why, but apparently it requires a lot of CPU.
>
>Thank you all for helping me with this problem!
>
>>Dmitry, just wanted to check, you did verify the workstations (all of them) are virus and spyware free first when this started happening, right?
>>
>>
>>>I am very ignorant of understanding the CPU use by different processes and don't want to admit it to a customer <g>.
>>>
>>>The customer tells me that a process (inetinfo.exe) is using 100% of CPU. Does he check it by going to the Task Manager then clicking on the Processes tab and looking at the entery for inetinfo.exe in the column CPU?