Question PC crashes everytime whei try updating nvidia (GTX 750 Ti)

[Strikerfist]

PC crashes every time when i try updating nvidia (GTX 750 Ti), and while I play sometimes randomly crash

help me out

 

[rgd1101]

full system spec? include make and model of the psu
what version of nvidia driver are you running now?

 

[Strikerfist]

full system spec? include make and model of the psu
what version of nvidia driver are you running now?

gpu: NVIDIA GeForce GTX 750 Ti
Memory: 8192MB RAM
Windows 10 Pro 64-bit
Processor: Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz (4 CPUs), ~3.6GHz
nvidia version : 432.00
motherboard: gigabyte b75m-d3v
psu : 400~ wat bad brand idk what is it