Prelude software update caused Norton anti virus to remove file

Hi,
My version of prelude was updated today by the automatic software update system.
During installation, my Norton 360 anti virus system identified the following file as a threat and removed it:
Any one got any advice?
thanks
Chris Anderson
Full Path: c:\program files (x86)\adobe\adobe prelude cs6\mc_enc_dv.dll
Threat: Suspicious.Cloud.7.F
On computers as of Not Available
Last Used 28/05/2012 at 22:39:37
Startup Item No
Launched No
Unknown
Number of users in the Norton Community that have used this file: Unknown
Unknown
This file release is currently not known.
High
This file risk is high.
Threat Details
Threat type: Heuristic Virus. Detection of a threat based on malware heuristics.
File Actions
File: c:\program files (x86)\adobe\adobe prelude cs6\mc_enc_dv.dll
Removed
File Thumbprint - SHA:
c100739136c152fe596a851635a0644c88daa231396bc29acb5b883f7029212c
File Thumbprint - MD5:
abf68500798f002d97a8e282ff3e7b2b

HI Preran,
Thanks for your reply, I have read the thread but I am confused!
Is the anti virus situation effecting this prelude problem also???
Prelude wont run because it is missing a file mc_enc_dv.dll
If i reinstall to gfet this back, norton will only dump it again.
Why is this happening on the latest adobe software update?
I havent changed anything on my PC, installed softaere or codecs or anything, all I did was
allow adobe to update
I also have the probelm with Premiere loading taking 3 mins or so - is this related to the same issue?
Help!
Chris Anderson

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