# Authenticode error
**URL:** https://www.finalbuilder.com/forums/t/authenticode-error/209
**Category:** Discussion
**Created:** [October 2, 2006, 2:16am UTC](https://www.finalbuilder.com/forums/t/authenticode-error/209 "2006-10-02T02:16:09Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@tony.edgecombe](https://www.finalbuilder.com/forums/u/tony.edgecombe)
#### Post date: [October 2, 2006, 2:16am UTC](https://www.finalbuilder.com/forums/t/authenticode-error/209/1 "2006-10-02T02:16:09Z")
I have just created a new install of Final Builder and when I try and sign an executable with the Authenticode action I get an error message “Error loading certificate file : Error loading type library/DLL”
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### Author:  [@paulsamways](https://www.finalbuilder.com/forums/u/paulsamways)
#### Post date: [October 3, 2006, 2:29am UTC](https://www.finalbuilder.com/forums/t/authenticode-error/209/2 "2006-10-03T02:29:06Z")
Hi Tony,
The authenticode action uses the CAPICOM library to peform the signing of files. I would suggest checking that CAPICOM.DLL is in the System32 directory. If its not there, you can download the redistributable from Microsoft at [http://www.microsoft.com/downloads/details.aspx?FamilyID=860ee43a-a843-462f-abb5-ff88ea5896f6&DisplayLang=en](http://www.microsoft.com/downloads/details.aspx?FamilyID=860ee43a-a843-462f-abb5-ff88ea5896f6&DisplayLang=en) .
If the file is there, you might need to register it using RegSvr32, “regsvr32 capicom.dll”.
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### Author:  [@tony.edgecombe](https://www.finalbuilder.com/forums/u/tony.edgecombe)
#### Post date: [October 3, 2006, 8:48am UTC](https://www.finalbuilder.com/forums/t/authenticode-error/209/3 "2006-10-03T08:48:03Z")
Paul,
Thanks, it was there but needed registering.