PC randomly stutters

[Pepko]

Hello. I have a problem. My PC randomly stutters. It never ever did before. Usually it just stutter on my desktop and i hear stutter sound or it give me some solid color background and there stutter. Then I must restart PC

SPECS:
Intel® Pentium® Processor G4560 3.50 GHz
EVGA GeForce GTX 1060 3GB SC GAMING ACX 2.0 (single fan)
DDR4 2400MHz 8GB
600W PSU
ASUS PRIME B250M-K
1TB HDD

What could be the problem?
Thanks.

 

[computationalprince]

Save your work and close any open programs and go to the Control panel, in the Search Control Panel field type Administrative Tools and double click a shortcut called "Windows Memory Diagnostic", a "Windows Memory Diagnostic" window should open and click "Restart now and check for problems". Be patient and wait until your PC reboots after it's done with the diagnostics.

 

[Pepko]

Save your work and close any open programs and go to the Control panel, in the Search Control Panel field type Administrative Tools and double click a shortcut called "Windows Memory Diagnostic", a "Windows Memory Diagnostic" window should open and click "Restart now and check for problems". Be patient and wait until your PC reboots after it's done with the diagnostics.

I will try it, but now after few minutes of using PC something starts really making noise. I think its GPU fan. But temps are good.