|"Question 1 -- are either of these programs available on download.com?"|
WARNING: CNET Download.com downloads now come bundled with opt-out crapware and toolbars ( Same applies to Softonic )
"Question 2 -- will this 'junkware removal tool' take away any of my programs/etc? Will I lose anything that's on my laptop?"
Only what is infected.
Keep in mind that once you are infected, it is too late for any anti-virus to help you, special programs are needed.
Also, during that process of removing infections, anything can happen, it is an absolute basic & your responsibility to make sure you always have your important stuff backed up.