It looks like the download is working fine, but the system cannot open the file. If so, then this could be a sign of malware damage, the malware preventing the file from opening.
Try the advice in Grif's post below;
http://forums.cnet.com/5208-6122_102-0.html?messageID=2969621#2969621
Mark
When attempting to install Malwarebytes or other anti-virus/spyware, I get the following message:
The application failed to initiate properly (OxcOOOOO7b). Click ok to terminate.
This message pops up when it gets to the exe file.

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