Error 1721 - Package on Win 7

Hi all, [;)]

created my package driver in wise using DPInst (am version), Ran it in Windows 7 but getting the below error:

Error 1721. There is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support personal or package vendor

any idea how to fix this. i looked on the internet and is pointing to "msiexec /regserver" tried but did not work when i tried to install the Driver for my USB device [8|]

your help highly appreciated.

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Answers (2)

Posted by: anonymous_9363 12 years ago
Red Belt
- Did you use an explicit path to DPInst and the INF file?
- Can you install the driver using the command line you have outside of the MSI?
- Is the driver signed?

You'll find driver packaging easier if you use DifXApp. In essence, it's DPInst wrapped up in a bunch of Custom Actions. There are some outline instructions on how to use it here on AppDeploy - search for 'DifXApp' - but it's a no-brainer, really.
Posted by: Netrock 12 years ago
Orange Senior Belt
Thank you VBScab for your reply.


But i think i got the driver working i will look into your no brainer solution.

Once again thank you, [:)]
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