Vq mod after restore

Recently did a webpage restore and vq mod doesn't work. It is still in my core files, but the apps just don't show up.

Any tips for fixing? 1.5.5.1 OC. I'm thinking perhaps clear vqcache?

Don't delete folder vqcache.
Try reinstall vqmod again.

Through vqmod/install or whatever the auto script is?

It seems like I tried that and it told me vqmod is already installed.

I tried that again and first I get getting index.php not writeable. So I followed the directions from the vqmod site and changed permissions. I then got a server 500 error.

I renamed my admin directory and edited it to follow in the path replaces files as suggested.