A large number of players who have installed 1.50 have been unable to use ALT+TAB without the game crashing out to Windows desktop. As such and with thanks to nea_alecu doing some investigations, our programmers have come up with a fix.
* Download the attached file
* Extract it into your Battlefield 2 install directory (you must have v1.50 installed already)
* When prompted accept that you want to over write the existing file
* In My Documents go to Battlefield 2\mods\bf2 and delete the cache directory
* Run BF2 as normal
We are also working on a full installer which will be the 2Gb file for those who are new to Battlefield 2 v1.50. This will replace existing files once ready and I will post here when that is released. In the mean time use the 1.50 patch install and replace RendDX9.dll with the file you can download here:
The md5 of the zip file is: 7a2b2476b5e23332da260481c1930191