Foxit opens about 10 times faster than adobe reader
there is KDE for windows and I have it installed but I'm in Linux right now so I am pretty sure it has Konqueror but not certain
I will boot into windows now back soon with edit
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EDIT:
It is an application that can be removed via add/remove software. Basically, it is in the programs list and brings up a menu with all the catagories seen in a normal 'menu' (windows = Start) button. Then when you go to 'internet' you get to choose from kopete, ktorrent, konqueror etc. It has a 'Graphics' menu, an 'Office' menu and so on. (almost everything is there)
Here is the 'BUT'. It is quite unstable. It doesn't crash windows. Lots of the (about 30-40 in total) applications just don't work properly. The good thing is that konqueror does work. I used it to browse for a whole afternoon when I installed it to try it out.
http://techbase.kde.org/Projects/KDE_on_Windows/Installation
this link has info on installation and at the very bottom the name of the package you will need to use konqueror and the command needed to shut down background processes after you close all KDE apps ( 'kdeinit4 --terminate' from a command prompt. )
http://windows.kde.org/
the installer for KDE 4.2.1
There are other options: Run Kubuntu from wubi which is an app for installing ubuntu on windows. Install windows in a VM (virtual machine) from within a Linux Distro. Convert to Linux because you know you want to! I have - windows is solely for running my printer and trying alternative programming options from windows but it never gets booted. Linux is King!