I hope someone can help please.

I was playing with the Cairo-Dock rubbish bin, and it crashed. Next thing I notice is that my /home directory has returned to the state it was in a few weeks ago, erasing all the files I've added since, which is about 20GB of data.

This is a major problem, because it's as if I have a new install. My menu items are all wrong too.

Please help! This is serious mum.

I have an Acer Aspire 4315 with Hardy, by the way.