Can't Install MS [ ERROR CODE = -40]

Describe the problem. Be as specific as possible!:
Just downloaded MSv93 setup, and can't install. Keep getting this error code.

System is:
Windows 7 Ultimate 64bits
Never installed maple here, in this laptop.
MD5 signature: f835f1731eac4b2b6ff774a19995cf7d

 Images of problem

How can you guys help me? Check the MD5 Signature of your maple v93 setup.
How?

 How to Check MD5 Signatures

MD5 checksum or MD5 hash is an unique fingerprint of a computer file, regardless what file format it is. Similar to other file verification algorithms, the ultimate purpose of calculating MD5 checksum is to verify the genuineness of the file.
1 - Go to http://www.winmd5.com or search, at your favorite search engine: winmd5 free
2 - Download the zip file, unzip and follow this images:



3 - Click "browse" and locate your MSSetupv93.exe
4 - Wait a few secs or mins, depends on your computer
5 - Paste the numbers that will appear in the field "Current file MD5 checksum value:"
Thanks in advance.