Unlocker is an explorer extension that allows you with a simple right-click of the mouse on a file or folder to get rid of error message such as error deleting file or folder, cannot delete folder: it is used by another person or program. Unlocker can unlock files, folders, dll, and can also delete index.dat without restarting your computer. Other error messages are cannot delete file,cannot delete folder,delete undeletable file,file unlocker,path too deep,filename too long,path too long,path is too long.