The version in the repos has always worked fine for me, but if you keep experiencing this issue, you can download it directly from the website
here.
To install, extract the archive file, then put the files in /tmp/foxit.
-Then, open up your file manager as root, and copy the folder from /tmp to /opt/foxit/ (you will need to create this directory).
-Create a link to application (depends on which Desktop Environment you use) to the file FoxitReader inside that directory.