How to Resolve 80040154 Class not registered error

Accepted answer

Hi Hariharan ,

Please change your project build properties Platform target from Any CPU to x86 or x64 based on your system and it may fix the issue.

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prigoreanu constantin8y ago

Hi,

Rajeev Punhani is right.

Thanks a lot.

0

Hariharan Krishnamoorthi9y ago

By Changing 32 bit application in IIS settings, it is worked.

0

Hassan Uddin Mughal9y ago

It looks like your application is using some sort of COM object that is not installed on the server. Well, it depends on what component is it. In most cases, there should be a installer. If not, you can also use regsvr32.exe

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