Problem installing Malware bytes

Trying to install Malwarebytes and it craps out at 5%.

Some known problem I can easily fix?

For me if you have installed "MB" previously and removed it for some reason, even clearing the appdata, and user -> ( whatever those folders are called that stores programs and application information ) it should................ be able to install -->but upon restarting or shutting down it will revert to it's previous state and will not function. So clear any other folder ( including registry entries ) that is associated with "MB" before attempting to reinstall. In fact I believe there was a dedicated "Malewarebytes cleaner/remover/scrubber" that removes any if not all information, but I am sure of this existence anymore. You should also check if any other user accounts ( under the name of the program ) was created in the process of the original installation.

However during this I had a virus ( that mimicked programs and would start-up ).

I am using Avast Premium Security with a "limit" of three machines installs now.

Good.
I was using the online installer.

Will report back soon.

Also, how did you find it on that site?

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I'm scanning now.
Thanks.

No big problems found (or expected) scanning.
I'm on the free version and set up to scan manually for now, but seriously considering the full version.