Install Shield 1608 Unable to create install driver instance

Hi,

1.     What is the name of the software?

2.     Does it happen with a software or it happens with all the software?

Method 1: Run SFC scan. System File Checker (sfc) scan will make Windows replace corrupt or missing system files on your computer.

 Steps to perform sfc scan:
a. Click Start, click All Programs, click Accessories, right-click Command Prompt, and select Run as Administrator.
b. Click Continue or supply Administrator credentials if prompted.
c. In the Command Prompt window type the following, and press Enter:
sfc /scannow

Refer this KB article for more information:
http://support.microsoft.com/kb/929833

Method 2: Re-register the windows installer

a.     Click Start, open the run box (windows key +R)

b.     Type msiexec.exe /unreg and click ok.

c.     If you receive a confirmation message, click OK again.

d.     Click Start, open the run box (windows key +R)

e.     Type msiexec /regserver and click ok.

f.      If you receive a confirmation message, click OK again.

g.     Try to install the application and see if the issue persists.