problem pages not found

[torrenza]

1.I click on WATCH button,but I don't see anything .It show "not found"
2.I can't login at user,I must log in at upload,that it can.
3.While I try to upload video,It seems like no any upload to database.
4.I click on the tab of My videos,My Favorites,My Playlist,My Groups,My Profile,but not found

[buyscripts]

It seems the problem with .htaccess

Reupload .htaccess