Blue Screen of Death?

My sister just sent me a screenshot of her laptop screen... she can't even get Windows to boot up.
Does anyone have a hunch as to what might be causing this mess?
Here's the shot she sent.

So, you're staring at a Blue Screen of Death? Yeah, that 0x000000f4 error is a total pain.

Here’s the lowdown on how to deal with it:
https://recoverit.wondershare.com/co...een-error.html

Ways to Tackle the Blue Screen of Death [2021]
If you're stuck dealing with a Blue Screen of Death, you really need to check out this article. It's basically a full walkthrough to get that error sorted out.

Honestly, this error code isn't much to go by on its own. You'll probably get more clarity if you dig into the Event Viewer and cross-reference those logs with a Blue Screen of Death viewer to see what's actually happening under the hood.

Is this happening on a constant loop, or was it just a one-off occurrence? Honestly, there isn't much way to tell from what she's saying, other than the fact that she likely stumbled upon an OS bug.
Just a bit of technical insight: if you’re running Windows 2000, installing UDF is a guaranteed way to kill it, or you can simply crash the system by opening two blank Word documents at once.

If she happened to install some software recently, she should try uninstalling it via Safe Mode—assuming she actually knows how to navigate that. Regardless, the instructions provided clearly outline what needs to be done.