ActiveX error 18351

I am trying to import tlb/exe files that I am making in VS2008 in C++ on Windows 7.
I am modifiying a dialog COM app exe which used to run fine on XP/Old TestStand. I am trying to call exposed COM on a legacy dialog app I have to add more calls to. This used to work on XP/TestStand4. It is registered but not visible on teh Automation Server list.
So I have created a few of COM example apps of different types to see if its windows7 or teststand or what. I have made a dll as well. None can be made into a selectable Automation Server for TestStand 2010. Even registered they are not in the dropdown list. Browsing just produces the ActiveX Error Code: -18351. I have added no code to them, as VS2008 creates the base source for the new COM/OCX/Midi projects. None will work with TestStand 2010 after being registered (xxx.exe /regserver).
I did see where ...\Public\Documents\National Instruments\TestStand 2010\Examples\Demo\DotNet\dotNet Project Files has a computer.dll, and that does load fine with C++ dll option.
Anyone know why created apps will not load and are not visible on the list?
TIA
www.certtech.com

Hey Doug thanks.
I also had to run cmd as admin privilidges also and hand register the tlb. Then use regtlibv12.exe to hand register the tlb. Even though I launched VS2008 as admin this time and did a clean/rebuild it was not enough.
Using cmd as admin....
C:\...\yourproj\Debug>C:\windows\Microsoft.NET\Framework\v4.0.30319\regtlibv12.exe yourproj.tlb
Registration of yourproj.tlb successful.
Yesterday it was saying it was registered but it wasn't becuase I was not running it in admin. Thanks for the help..it was close enough. Never trust VS to register the apps for oxc/tlb stuff right as it always says it was. .NET classes work fine as-is.
Windows is such a pain with this lack of automatic admin settings!!!
www.certtech.com

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Troubleshooting
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Any ideas would be GREATLY appriciated!
(my current inclination is to ask the customer to resintall Office and
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Shaun
(this message is also posted on Lavag.org = http://forums.lavag.org/Excel-ActiveX-error-in-exe-library-not-registered-t11912.html)
Attachments:
Open Excel.vi.png ‏52 KB

It would really help to see the relevant code, and to know which version of LabVIEW is being used. I notice the original code was developed on LabVIEW 8.5, and the Poster mentions older versions of Office (and is writing an .xls instead of an .xlsx file), suggesting the original code is about 7 years old.
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Windows Registry Editor Version 5.00
[-HKEY_CLASSES_ROOT\Installer\Products\371245C90F69D5349AC564C8AA7CE50A]
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Attachments:
errors_activeX.docx ‏200 KB
errors_activeX.docx ‏200 KB

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Details
The type library information for 'TestStand API 2.0' was not found.
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Location
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Message Edited by Sam R on 02-09-2006 12:47 PM
Message Edited by Sam R on 02-09-2006 12:48 PM
jigg
CTA, CLA
teststandhelp.com
~Will work for kudos and/or BBQ~
Attachments:
SpecifyModule.jpg ‏1177 KB

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///excel.c
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Please help!

Hello Annees,
Thanks for posting on
National Instruments Forum.
Try to recompile your
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http://www.fluigent.com/

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ActiveX error 18351

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