hi dialer,,, if you delete the history,, you will not get updates for all the history,,,, the stuff you alredy downloaded as updates you have to use add & remove to get rid ,, so your ok,,,, i wonderd this to and took a look at updates in there & there all still there,,, good luck m8
just as an after thought,,, there are a couple of updates that help with the stability & compatability of vista but are not issued on the windows updater,,, you have to log on to microsoft & manually download them,,,,, god only knows why,,,, but after downloading these my rig runs sweet as,,,, i cant remember the codes but i found em while googleing looking for something else to do with compatability probs with vista. If i find em i'll post a link.
hi again here's that link
http://support.microsoft.com/Default.aspx?kbid=941649
good luck