i'm using windows 7 32-bit ultimate version. i found that i cant change my windows colour instead it pop up thisattachment), but not the other one that let me to choose my taskbar colour. help please~ thanks!
System Manufacturer/Model Number Custom Built OS Windows 7 Ultimate 64bit CPU Intel(R) Core(TM)2 Duo CPU E7500 Motherboard DG41RQ Memory 2.00 GB Graphics Card Intel(R) G41 Express Chipset Sound Card Realtek Monitor(s) Displays Acer 20" Wide LCD Screen Resolution 1600x900
Keyboard Microsoft Cordless Mouse Microsoft Cordless Hard Drives Seagate 500 GB Internal
You don't have your system specs filled out, so we can only guess, but it certainly sounds like you either don't have an Aero-compatible video card, don't have drivers installed for your card, or just need to switch themes to Aero.