How to Resolve - 8002801d automation error - library not registered?

8002801d automation error - library not registered

Hi Guys,

I hope you can help me on this one. 

On my work laptop I am running Windows 7 64 bit, Office 2003. 

I mistakenly installed the Office 2013 preview (I wanted to just download it) and then as it had installed on my work laptop, I uninstalled it. 

Since doing that, I now cannot open Excel through VBA, I am getting an Automation Error: 8008201d - Library Not Registered when I run the following command:

Set objExcel = CreateObject("Excel.Application")

I have searched online about this extensively, and found one solution to the problem to re-register the .dll files. 

This is where I am having a problem however, I have tried re-registering several files, but the some will not register, I get another error saying it has loaded but failed to call on DllRegisterServer with Error Code 0x80004005.
I am an administrator and
have tried running cmd with administrator rights, to no avail. 

I then also updated to a copy of Office 2007 that I had, but having the exact same issue. 

Please help me in any way you can, it is crucial that I get this working and I would be grateful to anyone who can assist. 

Kind regards,

Sam Cackett

Keys to the Problem 8002801d automation error - library not registered

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Make Sure that your System Meets the System Requirements

This error can be due to some configuration requirements for you system. If your computer hardware is not up to par, then make sure you update where necessary before continuing:

Microsoft Windows Requirements :

• 1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor
• 1 gigabyte (GB) RAM (32-bit) or 2 GB RAM (64-bit)
• 16 GB available hard disk space (32-bit) or 20 GB (64-bit)

If your computer meets the minimum requirements above, then continue on…

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