Hi dears. when i try to instal some of software( like mathwork 2011,..) on my laptop,firstly the installer do not appear and my system become for some mins slow and then the installer appear on taskbar but i cant switch to it and no istallation accure. note that my system has the needed requirements of that software.
about 6 month ago i repaired my widows using a restore point. after that, this problem is occuring.
my sys. info.:
vaio laptop, core i3(intel) 2.13 procersor. 4gig memory,
win 7 64 bit-home basic
thanks