It appears that your Laptop's GPU might be plagued by some hardware and/or software issue. Post a GPU-Z screenshot as well. Have you installed the latest VGA drivers, software, and the firmware for your Laptop, from Razer Blade's/OEM website ? When did the problem start to occur, and how ? There are quite a few reasons for this.
The above Error code 43 can be reported anytime when Windows does not recognize a device – whether it's a USB port, Hard drive, video card/GPU, or any other piece of hardware connected to the computer. Most of the time, error code 43 means that a device driver is either missing, corrupt, and/or outdated (so Windows has problems communicating properly with the hardware), or the hardware...