Guys I installed CCSM to enable window previews in unity(I love it!). But when I went in extras there was no 'window preview' option ?! So i tried experimenting in other options in compiz and now there is no borders in the dialogue boxes(close,minimize,restore buttons are not there,I had enabled some 'flat....' option in compiz. later I uninstalled compiz and then reinstalled it. Now it says ""Failed to load session "ubuntu" "" I cant even access through the guest account, I am new to ubuntu.(please explain in detail) All i have access to is the login screen(It still shows my custom wallpaper) Please help, I don't want lose my stuff.
PS. I booted in the livedvd mode and deleted the compizconfig folder, Now i wont even get the login screen. please help I did nothing with unity. All this happened when i reinstalled CCSM