How to get rid of security warning in Microsoft Office 2003?

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I had struggled with security warning when I convert my Microsoft Access databases to Microsoft Office 2003.  In this version, it has the security warning feature each time you open any file that executes a macro in any of the application in Microsoft Office.
 
I search high and low for information here is what I learn:
. Either set the security level to low per user which is not particle
. Do a register hack to turn off the security warning level to low for all users which is risky if you are not comfortable with “regedit”

The applicable registry settings are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Jet\4.0\Engines]
"SandBoxMode"=dword:00000002

[HKEY_LOCAL_MACHINE\Software\Microsoft\Office\11.0\Access\Security]
"Level"=dword:00000001

. Get a code signing certificate to sign your code

It cost money to get a code signing certificate but I found out a site where you could get a code signing certificate for free if you use it for personal use or for open source project.  Here is the link to the site.
or you could get a totally free certificate from CACert.org
Here is a link on how to buy an authenticode certificate from Thawte.

It took me a few days in researching this issue.

I hope you will find this information useful and save you time searching like the way I did.

Enjoy!