Mysql "Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)"

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http://serverfault.com – I have got problem with my mysql. It started with that I was importing a dump with the workbench tool. I waited about 30 mins for it to finish but nothing happened so i decided to press stop, to my surprise that did no work either so i close the application and opened it again. Under the tab server status i could see that it was still working on it i decided then to wait a while longer to see what would happen. The sql script seemed to finish but after that mysql was unusable. I can no longer start mysql if i do it with the workbench tool i get the error Start server A permission erro (HowTos)