Are you using Droid 2 Bootstrap from the market? I assume you know that you can't use the Droid X Bootstrap app, right? BTW, 1.8.19 will probably be out later tonight. Many other phones already have the new update available, while the X is lagging behind bit yet.
There's a new release almost every week, hence the numbering. 1. =Year, 8= month and 19= day