it's a simple batch file,if you want the browser to actually get the info from the server each time then change iexplore.exe with the exe of some incognito browser.
Sleep determines how long the script waits to stop the browser so depending on how long it takes to load up the page you might want...
If you have a laptop or any device with dual GPU go to the manufacturers website and only use their drivers because only they are made in a way that software realizes that there are two of them.
Just render a few seconds of video that show the problem as much as possible and upload it to google drive and make it public.Then share(copy paste) that link here.
You can use settings files to reduce the graphics quality and get better FPS,this one is just an example it's the first one I found there could be even more drastic ones out there.
https://www.gta5-mods.com/misc/settings-xml-for-very-low-pc
What you are doing wrong is not telling people your exact settings and not giving people a link to a small sample of your encoding so that they can see what's wrong with it.
Unless you are able to take the hdd out and connect it to a working PC I can't see any way to fix this.
And even then constant bsod might be an indication of some hardware failure.