**>>I did some testing and found the cause to be Anti-virus software.

The few AV I tried all evoke the temp file generation in Poser8, including Windows Defender which comes with win7/vista.

One can exclude the Temporary Internet Files folder from real-time protection as an interim solution, but it is a fairly severe security compromise.<<

**I don't have any A/V software running, including Windows Defender.

Files are still getting written back and forth.
So, good theory, but doesn't work in my case.**
**