I downloaded a song from vidtomp3.com and it had an installer with it, I used it to download the song but suddenly my safari started to go really slow and perhaps not crash, but it forced me to quit it since it went really slow. ??
MacBook Pro with Retina display
It's possible you downloaded BETA > http://www.vidtomp3.com/faq.php
BETA is for testing. Which is why Safari is running slow.
Open the Finder then select Downloads on the left. Hopefully you can move those files to the Trash from there then restart your Mac.
Please post a link to whatever it was you installed.
Safari Slows down after download
