Win 8.1 won't boot

[BOBWY]

I have a dual boot PC with Win 7 and Win 8.1 ,ocasionally I can't boot into Win 8.1 and a message comes up that a File:windows\system32\drivers\msisadrv.sys is missing

 

Status0x0000242

 

In the past instances I had to re-install Win 8.1 ,what a pain! How can I re-install the above file without re-installing the wholle Win8.1 system ?

 

 

 

Operating system:Windows 7 Home Premium (64 bit) Service Pack 1

System root: C:\Windows

Available physical memory: 8190 MB

CPU: AMD Athlon II X2 250 Processor

Drive Info:

C: 111.79 GB

F: 931.51 GB

G: 931.51 GB

Internet Explorer: 11.0

[xilolee]

Hi BOBWY!

And is the file really missing into your PC?

I have it and its dimension is 17.248 byte, version 6.3.9600.16384

I can always upload it to a site where you can download it... Just let me know.