please look up hardware diagnostics for your computer if you are having abnormal issues such as these
h^^ps://www.hwinfo.com/files/hwi_614.exe
also a connection test with h^^ps://speedtest.net can also rule out connection issues (i would suggest another state or country outside of your provider)
i tested this scenario with Linux (not windows) and tried full-screen, windowed and border-less and was NOT able to reproduce.