To fix the error, you need to ensure that the internet options settings are configured correctly as I have found in the article below:
How to Fix Malwarebytes Error 732
And if you are using a web accelerator such as NetZero Accelerator, turn off the 3G accelerator as outlined on the Netzero help page:
How do I Disable NetZero HiSpeed 3G?

Malware infections on your PC can also cause modifications in the internet options settings or not allow you to even access any sites for the removal of these infections. Follow the steps in this article to try to solve the 732 error code when opening or updating Malwarebytes. So if your PC is infected and you can't get Malwarebytes Anti-Malware to install, scan, or update, this Article below will guide you on How to Perform a Malwarebytes Manual Update.
If you find that you do need further help removing your infections once you get your Malwarebytes Anti-Malware Program Updated and your PC scanned please follow the link below for further assistance:
How to Start Removing Viruses and Spyware from your Computer
If you have any other issues that you are curious about, post a question in our Computer Help Forum, we'd be happy to answer any questions you have.
Update: August 19th, 2011
Please note that error code 732 was retired after version 1.44, and as of version 1.45 we now use a new error code system. If you are receiving error code 732 then it means that your version of Malwarebytes' Anti-Malware is out of date.
*Please click this link (http://www.malwarebytes.org/) in order to download and install the latest version of Malwarebytes' Anti-Malware.*
This Article will be kept up to date as the information becomes available.



