Considering some people have had difficulties installing the Horse Armor mod, and these appeared on the 32-bit system (not the 64-bit one where so far they cannot work), in form of either giving an error like there was an attempt to install them on the 64-bit system (even though it is a 32 one), or freezing the installation, I'll post a summery of what was found as solutions to these problems:
If indeed you have a 32 bit system try one of these to fix the issues:
1-In Windows XP if you don't want to (or know how to) boot into safe-mode but need to be Administrator to run a program, "Right-Click" on the .exe "Oblivion_Horse_Armor_Pack.exe" then select "Run as..."
2-Instead of selecting "Current user (COMPUTERNAME\UserName) choose "The following user:" and select "Administrator" from the drop-down list of users.
3-You will need to know the Administrator's password for the computer, however most computers purchased from a store will have a blank password (unless you changed it yourself)
1-Reboot in safe mode with networking.
2-Log in administrator account.
3-Install the package.
1-Hit Start, Run, type msconfig.
2-Select Boot.INI tab and select safeboot and check networking. Hit ok and reboot.
3-Login under Administrator account and hit ok. Then run the installer, finish install and go back into msconfig and unselect safeboot.
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