Normally, pixel shader errors occur on old Intel GPUs (like the GMA series). And you can´t update PS. (If by updating your PS you mean upgrading your GPU, which one you are planning to buy?).
Other thing, you forgot to mention your actual GPU.
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EDIT: Have you planned updating Dolphin? (dolphin-emu.org/download). To find out some info of your GPU, use GPU-Z.
Other thing, you forgot to mention your actual GPU.
___________________________________________________________________________________________________________________________
EDIT: Have you planned updating Dolphin? (dolphin-emu.org/download). To find out some info of your GPU, use GPU-Z.
Rig 1: Windows 10 Home | AMD A6-1450 @ 600/1000/1400 MHz | AMD Radeon HD Graphics 8250 | 4GB RAM | HP Pavilion TouchSmart 11.
Rig 2: Windows 10 Pro | Intel Core i7-2640M @ 780/2800/3500 MHz | Intel HD 3000 Mobile | 8GB RAM | Dell Latitude 6320.