Tried both this one (the ryanvm aio installer) and Onepiece's true addon, also tried the previous version from Onepiece again, and I found out that what a friend of mine discovered is true - the online microsoft.com or windows.com update sites won't work with it, gives a strage error like the BITS service isn't working. It also doesn't work with BITS started and also set to automatic.
I wasn't able to detect this error before because I didn't update through IE, I waited for the updates to appear in the right corner of the taskbar. And I'm pretty sure you can duplicate this issue on your live system.

I however found out a working solution - 7.4.7600.226 ''latest'' official xp version works with IE updates. Actually I went back to xable's addons.
So just a thought - maybe you'll consider at some point also making a 7.4.7600.226 version for xp users.
Important update: I forgot that when I first went to update.microsoft.com site, a pop-up window appeared, and made me install something - it was Windows Update Agent 7.6.7600.256. Although it's not beeing pushed through WU, it's the latest ''official'' version.
This doesn't change the fact that I can't use IE to update (the usual method is ok, updates do appear in the right corner of the taskbar both with your pack and with Onepiece's), unless I use xable's 7.4.7600.226 packs (WU+MU) and then I update it to the latest version through Microsoft's servers.
Edited by RicaNeaga, 20 July 2012 - 03:28 PM.