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COM object with CLSID {88578679-272B-40C0-B1FD-C3409381A450} is either not valid or not registered.

Posted on 2009-07-01
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Last Modified: 2013-11-25
I recently moved my local dev website from one laptop to another. My website uses very old versions of Persits ASPPDF.dll and ASPENCRYPT.dll. Since rebuilding the application, I'm getting the following error:

Error Detail: System.Runtime.InteropServices.COMException (0x80040154): COM object with CLSID {88578679-272B-40C0-B1FD-C3409381A450} is either not valid or not registered.
   at MyWebSite.Certificate.CreateCert02(String sFileName, DataTable dtResults) in D:\WebSites\MyWebSite\CodeModules\Certificate.vb:line 648
   at MyWebSite.Certificate.GenerateCert(Int32 nSampleID, String& sServerFileName, String& sUserFileName) in D:\WebSites\MyWebSite\CodeModules\Certificate.vb:line 74
   at MyWebSite.SampleTracking.btnCert_Click(Object sender, EventArgs e) in D:\WebSites\MyWebSite\Private\SampleTracking.aspx.vb:line 1475
   at System.Web.UI.WebControls.LinkButton.OnClick(EventArgs e)
   at System.Web.UI.WebControls.LinkButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument)
   at System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument)
   at System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData)
   at System.Web.UI.Page.ProcessRequestMain()

When I moved the dll's I just copied them over, I didn't do any sort of install on them. I am pretty sure they are COM, not .NET components. Do I need to track down the original install and reinstall them for this to work or can I fix this some other way? I won't have access to the original installs until next week.

Thanks in advance.
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Question by:ZekeLA
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I think I found the solution: http://support.persits.com/show.asp?code=PS071016166. I won't be able to test this until I can get access to the original dlls; i only have the interops at the moment.
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