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Your PC is infected. The file called CLIENT_UPDATE.EXE is considered unsafe and there may be other infections on your PC.
You should urgently check your PC and remove any malicious software including CLIENT_UPDATE.EXE as soon as possible. The free version of Prevx 3.0 will scan your PC for millions of spyware and malware infections in less than 2 minutes. Don't put your confidential data, or your identity at risk, check your PC now with Prevx 3.0.

The filename is associated with the malware group:
The filename CLIENT_UPDATE.EXE was first seen on Jun 11 2009 in the following geographical region of the Prevx community:
CLIENT_UPDATE.EXE can also use the following file names:
This file has been seen with the following file size:
A file with the name CLIENT_UPDATE.EXE have been seen to have the following Vendor, Product and Version Information in the file header:
The filename CLIENT_UPDATE.EXE refers to an executable program.