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What happened here, I install Visual Studio Express for Windows Phone.
When I was happy and about to debugging my First hello-world win-phone app. It gives me this in return.
It looks like that there is something wrong with graphics processing unit configuration.But I am absolute newbie in this area and never used Visual Studio before, guys help me out here.
Can you confirm that the computer you have installed the SDK on meets the following requirements?
Operating system
Windows 7 32-bit, Windows 7 64-bit, Windows Vista SP2 32-bit, Windows Vista 64-bit.
Note:
Windows XP, Windows Server, Virtual PC, and Hyper-V are not supported.
Memory
3 GB RAM on the computer and 1.5 GB free RAM.
Graphics processing unit (GPU) emulation
DirectX 10 or DirectX 11 graphics card with WDDM 1.1 or later driver, and DDI 10 or later. For additional information, see Optimizing Performance for Windows Phone Emulator. For information about determining the current configuration, see DirectX Configuration in this topic.
.xap packages
The maximum size of the .xap package is 225 MB for Silverlight applications and XNA Framework applications.
Note:
The emulator simulates a flash drive of 2 GB. Because a Windows Phone OS 7.0 device has a larger flash drive, you cannot install as many applications on the emulator as you can install on a device.
Silverlight applications
GPU emulation is a requirement for Silverlight applications. Silverlight applications may run without GPU emulation on Windows Phone Emulator, but this scenario is not supported.
XNA Framework applications
DirectX 10 or DirectX 11 graphics card with WDDM 1.1 or later driver, and device driver interface (DDI) 10 or later. XNA Framework applications will not run without GPU emulation. For information about determining the current configuration, see DirectX Configuration in this topic.
Video
VC-1, H.264 and AAC encoding. Not supported without GPU emulation. See GPU emulation requirements in this table.
Effects such as Blur and DropShadow
Not supported in the Windows Phone SDK.
Hardware-assisted virtualization
Requires a processor that supports hardware-assisted virtualization. For additional information, see Optimizing Performance for Windows Phone Emulator.
Hardware keyboard
You can use the host computer keyboard as a hardware keyboard. For detailed information, see Keyboard Mapping for Windows Phone Emulator.
Isolated storage
Data in isolated storage persists while the emulator is running, but is lost once the emulator closes.
Launchers and Choosers
For detailed information, see Launcher and Chooser Support in Windows Phone Emulator.
Multi-touch
Requires a host computer that supports multi-touch input. Simulation of multi-touch by using the mouse is not supported in the current version of the Windows Phone SDK.
Accelerometer, GPS
Accelerometer and GPS can be simulated using the emulator. For more information, see How to: Test Applications that Use the Accelerometer and How to: Test Applications that Use Location Data.
Camera, compass and gyroscope
Not currently supported.
Taken from MSDN – Setup and System Requirements