Windows 10: why does my fortnite keep crashing?

so basically I purchased a pc about a month ago and everything was fine I could play fortnite very smoothly no crashes or bugs then all of a sudden my fortnite kept crashing I've searched multiple solutions on how to fix it and nothing worked. I search on YouTube some people said verify the files if that doesn't work to do all these other steps I've found one solution that works for me but is very annoying and time consuming the only way my fortnite will work and not crash is if I uninstall then reinstall then boot up epic games launcher click fornite 3 dots, proceed to manage, click files the

:)

 

Why does Fortnite, COD Warzone, and Apex Legends keep crashing?

I did everything on the list for Fortnite but Fortnite is the game that crashes the least so I can't tell if it worked or not. Apex Legends and COD Warzone crashes the most.

 

My pc freezes and crashes while playing fortnite

As the tilte suggests i have been experiencing my pc freezing and crashing while i play fortnite (havent tested any other games). To begin with ive been experiencing fortnite crashing mid game for the past week. I updated drivers windows 10 and unistalled fortnite and installed it again. After the windows update i think that the problem expanded to my pc freezing and crashing. To save you some time i have Autoruns from a previous crashing issue

 

all games crash!

I suggest you run rthdribl > http://www.daionet.gr.jp/~masa/archives/rthdribl_1_2.zip
Increase the window size step by step and watch your vga temps permanently.
What happens?
If it crashes, run at stock speeds as suggested before and retry.

P.S.: When your system locks, does the display signal turn off after a time?
Stuttering sound or no sound at all when freezing?
What X1800XT model do you own exactly?