While installing MS Visual Studio Service Pack 5, I got the error message "htmed.dll was unable to register itself in the system registry", after which installation was not successfully completed. I installed the service pack after installation of MS Visual Studio 6, during which I encountered a "Setup Was Unable to Create a DCOM User Account" error, which caused unsuccessful installation of MS Visual Studio 6.( I managed to address the DCOM error by re-installing Studio 6 without the Visual Studio Analyzer.) De-installation of MS Studio 6, erasing of remaining htmed.dll files, and subsequent re-installation of MS Visual Studio 6 and Service Pack 5 did not remedy the htmed.dll error. Is there anything else I can do?
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Thank you for your quick responses. I applied the regsvr32 command on the path of the htmed.dll, amd I got another error message, saying "DllRegisterServer in htmed.dll failed. Return code was: 0x8002801c". What should I do next?
It is likely that permissions on part of the registry have been changed to deny you access. You will need to be a local administrator to register the COM object. You have to local administrator to install that software. If PC is part of windows domain then unplug it from network and login as local administrator and then install. If it fails again then read following article to see how you can use regmon utility (freeware by System Internals) which registry item is failing to open. http://www.cryer.co.uk/brian/windows/trbl_nt_rgsvrfld8002801c.htm
Thanks alot--this also worked for me, I did a regedt32 to edit the registry keys permission, and then searched on 34A715A0-6587-11D0-924A-0020AFC7AC4D key that was suggested above as the culprit... and then sp5 was successfully installed.
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htmed.dll error during MS Service Pack 5 installation
De-installation of MS Studio 6, erasing of remaining htmed.dll files, and subsequent re-installation of MS Visual Studio 6 and Service Pack 5 did not remedy the htmed.dll error. Is there anything else I can do?