In addition to elderly GPUs too old for the game (exactly like that GTX 260 is), onboard graphics chips frequently fail the same tests, and are not supported by the minimum requirements.
PvZ: GW2 requirements
MINIMUM
OS: Windows 7 64-bit/ Windows 8.1 64-bit/ Windows 10 64-bit
CPU: 3.20 GHz Intel i5 650/ 2.5 GHz AMD Phenom X4 9850
RAM: At least 4GB for Windows 7/ Windows 8.1/ Windows 10
Hard Drive: 20 GB
Video: NVIDIA GeForce GT 640/ AMD Radeon HD 5750
DirectX: 11
Input: Keyboard and Mouse, Analogue Controller
Online Connection Requirements: 192 KBPS or faster internet connection