GZDoom startup error IDirect3D9 CreateDevice failed

[ZDUser]

GZDoom stopped working on my computer after having no problems for about 5 months. It happened abruptly while in regular Doom II, while idling in the pause menu, crashing with the error "IDirect3D9 CreateDevice failed". Now it doesn't even start up, and that error shows up.

I have the latest GZDoom, and only play the regular Doom games (and Heretic and Hexen).
I'll attach the dxdiag and msinfo

[ZDUser]

Trying to add the MSInfo, but it says Request entity too large

[Rachael]

Try "gzdoom -iwad <whatever> +vid_preferbackend 0" to reset to OpenGL mode.

[ZDUser]

It starts up now. The window was completely flat and I had to resize it, then choose a more suitable resolution. On startups now, though, it takes a little over 20 seconds before the main menu appears.

[Rachael]

It had to rebuild the shader cache - it should be faster with subsequent startups.

[ZDUser]

Tried a few times, still about 20 seconds to get to the main menu. Not sure why this is; at least the crash is fixed and it actually works so far, though.

Thanks!

[Rachael]

Really? That seems like a bug, to me.

GZDoom should detect that you have an Intel card and build a shader cache upon every start up.

[ZDUser]

I'll see if it persists going into tomorrow.

[Graf Zahl]

Direct3D 9 indicates the pure software renderer, the shader cache won't even come into play there.
What's your render config?

[ZDUser]

I'm not sure if these are all what you're looking for, apologies. Let me know if you need more settings info:

Preferred Rendering API: OpenGL
Render Mode: Doom Software Renderer
Force Aspect Ratio: 4:3
Forced Ratio Style: Stretch
Resolution Scale: Normal
Scale Factor: 1.00
Vertical Sync: Off
Rendering Interpolation: On

[Apeirogon]

Did you try to turn it off and on?
Gzdoom sometimes corrupt/eat its ini file. Backup it and then delete it.

[ZDUser]

Yeah, I noticed moving the config file out of there to run from scratch makes it work. Possibly something got corrupted in the ini. Though it taking long to load might be hardware issue (and might also be related/caused the problem with the ini?).