How to fix DotNetFactory.dll is missing/ not found error

Overview of DotNetFactory.dll File:

File Name:   
DotNetFactory.dll (Free Scan)
File Description:   
QuickTest Professional (Unicode)
Product Name:   
QuickTest Professional (Unicode)
Product Version:   
9.0
File md5:   
3043e8f2680e31602ef590152023267c
File type:   
dll file
OS Infected:   
Windows NT/2000/2003/XP/Vista/2008/7/8/10
Recommended:   
Download DotNetFactory.dll Error Free Scan Tool