I know this question has been asked before, but I can't really find a solution. This was happening years ago too I think, so... I'm pretty stuck. I've even re-installed my entire os since then, but I remember addons working at some point.
I've tried to install them in a couple different ways - I tried using 'install addon' and using the zip, but nothing. I tried to put the extracted folders into the addons folder of my Blender installation, still nothing.
When I click on the button to install an addon from user preferences, it just does nothing. It doesn't ever appear in the list, and I can't see any errors. This happens every single time I try to install the addons, just nothing happening.
I tried this with a portable install as well, there was no difference.
I realize I'm probably doing something very wrong like an idiot, but I would appreciate some help. Thank you.