just open your third party file explorer e.g(x-plore,fileman,fexplorer) and go to this directory z:\system\apps and find the folder*mce* then copy the folder and paste it to c or e:\system\apps then wait f0r 30 secs. And prest0 your messaging is unable to open n0w to make it able just open ur third party explorer and open the mce folder on c or e directory then mark all the files and set attribute uncheck the read only and delete the mce folder
