Check the FAQ "Clean FSX, Acceleration, SP1 & SP2 Install!" at the top of the fourm, scroll down page 1 of my instructions and posts to find the VC windshield fix for older FS9 aircraft. You can download vcrain.zip and install the FS9 vc rain files and that should fix the rain in FSX and the windshield problem
Otherwise run the posted tool in the FAQ and that will make the windshield clear but not restore VC rain
i clicked on the "Flight Simulator X FAQs!" post and got to a list of FAQs for various fixes and info in FSX...the page starts with "Tips and Tweaks for..." then the FSX banner...i'm not sure where you are directing me...i see you posted something about Nvidia drivers, but that's the only link off of the FAQs page i see that has your name on it...i might not be looking in the right direction, so can ya point me?...thank you!EDIT: the vcrain.zip did not fix the problem of no clear windshield
EDIT 2: call me blind, but i didn't notice which FAQ link you were pointing me to until just now...ok, as of now, i'm going to check that FAQ and report back a success or failure...thank you!