Гугл помог.
Go to Uniextract official page:
http://legroom.net/software/uniextract ;
Scroll down the page, you should see ‘Credits’ section;
Click on the links provided (the one you need to update);
On the new page find ‘Download’ button/URL link… click and save to HDD;
Unpack the file, copy (replace) all necessary file(s) to your …\Universal Extractor\bin\ folder was installed;
Which file(s)? Just compare the filenames, usually same filenames only differ in version and file size.