<<While your still on can you give me advice on oem keys? (or post the red herring in the post boxes) as I have two -ones a sticker- the others activated.>>
Not sure what you mean...but I'll try to provide useful info on such.
Any OEM license/key for Windows...belongs only to the system on which that version of Windows was initially installed. The key cannot be used on another system, it is not transferable in any way. It belongs to that system alone.
Users can use another key on that original system...to install Windows over the existing install or to do a repair or clean install...but the original key then becomes worthless, of no value whatever for use on any other system.
If there is a difference between the original key assigned the system...and the one currently reflected on the system...someone did a repair/clean install with a different key/license.. Such current key/license may be illegal or legal...depends on the character of the person who did the install. If the version of Windows is the same...a smart person would have just used the key originally assigned to that system.
You can use any of several tools...to find out which key is actually used by a working Windows install. I find that Magical Jelly Bean Keyfinder provides accurate data re Windows keys.