Try Process Explorer, Process Monitor, and/or FileMon from
Sysinternals to see what is writing that file.

http://technet.microsoft.com/en-us/s.../bb896653.aspx

Get the whole suite, its free :

http://technet.microsoft.com/en-us/s.../bb842062.aspx

"Oliver Costich" <oc@5cats.net> wrote in message
news:5gd645ld2tud10h70e58628sin30i32nq5@4ax.com...
> On Wed, 24 Jun 2009 21:05:45 -0700, "Spirit" <noone@localhost> wrote:
>
>>Look in Task Manager for something suspicious.
>>
>>There are viruses that write huge files to consume space.
>>Scan your computer with several online virus programs.
>>
>>http://www.google.com/search?hl=en&q...anners+&aqi=g2
>
> Already used several of these and they found nothing. If it were a
> virus, I assume some of these would have the signature since it's been
> around several weeks.
>>
>>"Oliver Costich" <oc@5cats.net> wrote in message
>>news:fqs545t8fed29opnd34n0q1uall2onqv1s@4ax.com. ..
>>> Severl weeks ago, I got a warning that there was no more space on C:,
>>> my system partition. Properties showed 0 free space. I tracked down
>>> the problem to a file named mnc82DB.tmp, which was about 50GB. It was
>>> in the folder users\owner\appdata\local\temp. I have no idea where it
>>> came from and Google has no entries if I search on that file name.
>>> Trying to delete it fails, saying that it is open in another program.
>>> Rebooting and then deleting it fixes it....
>>>
>>> ...Temporarily. Today it came back. Same issues. It's very annoying
>>> sice if I try to print something I will lose if I reboot, it won't do
>>> it (0 free space). Another weirdness is that if I try to type
>>> something into the Firefox Goggle engine, the letters are entered in
>>> reverse order.
>>>
>>> Anyone have any idea what in the world this is? The OS is Vista
>>> Business x64 SP3.