I'll see if I can get an opinion on this. But looks like a specific computer case.
You could go back to LW 4.18; just choose
Old versions link from the download page.
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But you would need to remove the
install limewire.pkg file from receipts folder if you did, otherwise the older version would not install;
Receipts folder sample image
BTW did you try setting up an alternate account to test LW out?