TL;DR; Learn how to resolve the “Signtool requires CAPICOM version 2.1.0.1” error in VS2005 by installing and registering capicom.dll for successful project publishing.

If you get the following error publishing a project,
Error 32 SignTool reported an error SignTool Error: Signtool requires CAPICOM version 2.1.0.1 or higher. Please copy the latest version of CAPICOM.dll into the directory that contains SignTool.exe. If CAPICOM.dll exists, you may not have proper permissions to install CAPICOM.
Follow these steps
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