Battlefield 3 ( bf3 ) won't install on my pc?

I'm tryng to install bf3 but I get error ( ISDone.dll ) file has not been created by the console application C:\Progeam files ( Mechanics\battlefield3\update\patch\data… Probably error or incorrect format of a pcf-file

please help I tried putting is done in system32 but I still get that error help a brother out.

Lenovo G50
Windows 8.1
4gb ram

I meet all the requirements for bf3

Thabi

Can't install? I think it's insufficient storage, you need to format all data from your computer including your naked pics.

Leicester City