TMP file item in the %temp% temp my computer file

In the last month I downloaded and I am current on versions of Avist 4 home version , and ad-aware,spybot,CWShredder,Spyware Blaster,All In One Secretmaker, Home version of Zone Alarm fire wall.
Now my concern is that one these new software programs is placing TMP files starting with the letters without the quote “Jet” in front of a dozen tmp files in My computer %temp% file and is leaving them forever.

So what may be causing this in my PC?_____________

I delete them manually daily-
Please advise me
Regards
MayBob

Jet temporary files are, generally, normal files there. They’re created by the Jet Drivers to access databases of Microsoft.
If you boot in Safe Mode you will be able to delete most of them but, next normal boot, they will be created there again.
Nothing to worry that much, normal behavior of the computer.