continuous creation of temp files

Hi,

Something is continuously creating temp files in my
C:\Users\MyName\AppData\Local\Temp directory. About every minute, a zip
file is created named something like Temp1_040528.zip. It contains a bunch
of files named something like IM031130.DAT or CD045432.DAT, along with two
directories, SUMMARY and LISTS. After a week, my drive fills up.

I was running Trend. Removed that and installed Avast. Turned off Avast and
now running Microsoft OneCare. None of them found any problems.

Was running Acronis backup, but removed that.

Turned off System Restore...

Any thoughts??

Many thanks in advance.

Matthew