Cannot play Opposing Fronts campaigns - Required data is not installed

[Draceana]

When I try to play the Opposing fronts campaigns, it says that I do not have the required data installed. I have retail versions of the original CoH and Opposing fronts.
There is a padlock icon over the OF campaigns, clicking on it prompts me to enter a CD-key, but when I enter the CD-key, it says that the CD-key is already registered to my account.
The OF installer says that OF is already installed.

Help?

Congratulations relic on one of the most torturous and confusing installation procedures in PC gaming history.

[Maniac]

Without installing OF you cant have the necessary data to play campaign, as posted here, otherwise buying it would be senseless.

You need to un-install the game and re-install from your OF-disc.

[Draceana]

Thanks maniac. At first I thought you must be joking, but I see that you are actually serious.

OF is the last money THQ or relic will get out of me, what with the invalid CD-key that came in the box that needed to be replaced, the malware-like DRM, the numerous installation issues, the painfully slow patching process, the even more painfully slow downloading of said patches (and no, I should not have to forward ports on my router to download a patch at a reasonable speed), inability to bypass online login, etc.

It's a pity since the games are actually fun, it's just no longer worth the time investment to actually be able to play them. I'll probably spend more time installing and patching than it takes to finish the campaigns.

[LordEmperor]

Draceana

the painfully slow patching process, the even more painfully slow downloading of said patches

Try download it from fileFront for the patches that's what I did to save time, I know what you mean I had many problems with Opposing Fronts when I started to use the download patch it mess up my game.

OF is the last money THQ or relic will get out of me

I hope you will get TOV the A.I is much better. and so are the new units, But wait unit Relic fix the problems first because you will only come back here again.