Intel? Graphics Media Accelerator Driver for Windows* XP (exe) (20476KB) 14.36.4.5002 10/24/2008
That's the info from readme.txt of my driver package:
* Driver Revision: Production Version 14.32.4
* Package: 45357
*
* Graphics: 6.14.10.4926
* HDMI Audio: 5.10.0.1030
So i don't think it is too old. I'll try the latest driver. But i don't think that resize inability is a driver related problem. On my picture i just wanted to show that splitter stays there invisible after releasing mouse button. It is hard to find it later. And it is impossible to change the width. See new image.
Move the splitter from pos 1 to pos 2 - width stays the same, and splitter now invisible at pos 2. Try to find