Who said anything about the UAE not agreeing? I said their agreement would be needed, not that they didn't agree.
I don't think that a Eurofighter contract in 2007 is related to an F-16 deal in 1997 falling through. Too big a time gap, too big a capability gap, too many alternatives which weren't taken up.
The F-16 block 60 was an unfinanced proposal until 1998, & the UAE funded it. Saudi Arabia trying to join in the negotiations (in full swing at the time we're discussing) would have been interesting. Also, since the UAE was granted permission to buy the thing, how does that square with the close friendship between Saudi Arabia & the UAE, both having similar relations with the USA, & Saudi Arabia being refused permission to buy it?
Where's your evidence for the Saudis requesting it a second time? Remember that you haven't actually given any evidence of them requesting it before, only them requesting price data on F-16 (model not specified). Price data is usually sought when considering whether to request the aircraft, & does not necessarily mean that they actually wanted ithe planes: they may merely have been seeking information to evaluate other options against. This is fairly normal. I fear that you are reading too much into things.
BTW, Saudi Arabia was still taking delivery of Strike Eagles at that time.