If you're asking for technical help, please be sure to include all your system info, including operating system, model number, and any other specifics related to the problem
1] Where did you download this malwarebytes anti malware file from, which web site?
2] Did you scan this file with your anti-virus software before attempting to install it?
3] What anti-virus do you use? Is it's virus definitions up to date?
4] Try downloading MBAM again, from http://www.malwarebytes.org/antimalware/ , (the free version). Save the fie to your Desktop, scan it with your AV before attempting to install it.
Mark

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