ddinst.exe is a program which is most likely legit. So, if ddinst.exe is on your computer, it is most likely ok, and will NOT cause problems. Even if your system is clean, we still advise you to purchase a good antivirus with a good track record, in order to defend yourself against viruses and malware.
Usually, this application is located in C:\Program Files (x86)\Innovative Solutions\DriverMax\DPInst\amd64\ddinst.exe.
The MD5 checksum for this program is 14b0edca300315ab0abfa7b7426d4f3b.
This application is NOT registered as a Windows service. This is very good.
64-bit code has been detected. This program can put to good use the full power of a modern PC cpu.
The description present in the file is Driver Package Installer.
File version extracted from the file 2.1.
Author Microsoft Corporation.
Copyright notice © Microsoft Corporation. All rights reserved..
The digital signature is missing from this program. The maker did not sign it. This is probably bad.
It has an uninstall routine, which is good. si are uninstall.