Stefan Parvu  you could also contact your hosting provider through support my host fast comet have done so much for me set up my ssl helped me with a error where i couldn't access my site and also set up my php accelerator and optimized my site for faster load times they have like 10 dif support departments 1 of which Script Installation/Upgrades The Department is called deals with Softaculous scripts and any other website script i always get useful answers and only had 1 instance when i had to solve my problem my self out of 6-7 problems

anyways sorry for going on a tangent im tired been up all night lol id contact  support from your hosting provider as it has always steered me in the right path