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Missing or Invalid MSINET.OCX in EnergyPlus 9.3

asked 2020-06-22 11:11:34 -0500

JosephDeRienzis gravatar image

updated 2020-06-22 16:14:31 -0500

I downloaded the latest version (9.3) onto my lenovo thinkpad which is running windows 10, and when I try to run EP-Launch it comes up with a message saying "Component 'MSINET.OCX' or one of its dependencies not correctly registered: a file is missing or invalid." I tried unistalling and reinstalling as well as restarting my laptop and it is still giving me the same error message.

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Unmethours is software agnostic, so please do mention the software you're using explicitly, including tagging it correctly as a "EnergyPlus" question in this case. thanks!

Julien Marrec gravatar imageJulien Marrec ( 2020-06-22 16:14:08 -0500 )edit

Thank you, EPLaunch is now working properly.

JosephDeRienzis gravatar imageJosephDeRienzis ( 2020-06-23 09:58:48 -0500 )edit

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answered 2020-06-22 16:13:26 -0500

This is a known bug in 9.3 that was fixed after the release, cf issue#7973

Confirm that the "missing" file is present in C:\Windows\SysWOW64

Then open a command prompt (cmd.exe) as an administrator and type the following registration command:

regsvr32 c:\windows\syswow64\<missing-file-name.extension>

In your specific case:

regsvr32 C:\Windows\SysWOW64\MSINET.OCX

Step by step instructions with images to make sure you get through it:

1.Open cmd.exe as admin:

image description

2.Type the commands to register the DLL/OCX (the first one - dir - is optional, you can check in the File Explorer instead to ensure that the missing OCX is correctly placed atC:\Windows\SysWOW64\MSINET.OCX)

image description

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Asked: 2020-06-22 11:11:34 -0500

Seen: 37 times

Last updated: Jun 22