Error Unable to find install package

Error

Unable to find install package. So, I have also tried unpacking and then repacking in 7z, no luck, i have unpacked and put the file in tmp,no luck. Every way i try i get the:
Error

Unable to find install package
Any advice will be much appreciated.

Joomla 3.4.0

Try to install using "Install from directory" method (unpack MJ package to Joomla's tmp directory and install from there). In most cases this way works even if standard uploading way doesn't.