Use that link and download the software directly from the developer circumventing the use of MU altogether.
If you prefer not to create a membership account then note that on the download page under the price box will be the link to the developer’s site. I continue to use their site without any problems. This will avoid the installer wrappers and downloading adware or malware. Log into your account prior to using the site.
To avoid such downloads from MU just create a free membership account. Use that link from which to download the software. Delete the download and return to the main site where you will find a direct link to the developer's website. Such a download may appear on your computer like this: Firefox Installer.dmg. If you have neither then some software will be distributed as an installer wrapper that includes adware/malware you may not want. This site has both free and paid membership accounts. How to safely use MacUpdate to download malware-free software: Also read How to Back Up and Restore Your Files. Visit The XLab FAQs and read the FAQ on backup and restore. Use Time Machine if you don't know how to backup otherwise use a third-party backup utility such as these: My advice is never use the included software installed on new disk systems like the WDs and/or Seagates. That likely was the wrong update and reformatted the drive for NTFS.