Playstation 3 controller malfunctioning

[E-102 Gamma]

When Steam Input is enabled, the game registers crazy inputs from my PS3 controller, like rapidly mashing down on the D-pad in menus, and spamming R2 attacks in-game. When Steam Input is disabled, the game no longer recognizes my controller at all.

This issue is particular to Dark Souls: Remastered. The controller works without issue in Dark Souls 3 and Elden Ring.

I've also had similar issues with DS:R and this controller while trying to play on my previous PC:

https://steamcommunity.com/app/570940/discussions/0/3722820527899625526/

I'm not even sure how I solved them back then; the problem just mysteriously fixed itself. Now, on a new computer, with a different OS (Win10 vs. Win7), the controller is going haywire again.

I've tried tweaking my controller settings and resetting them to default. I've tried both Ctrl+Alt+Del and Ctrl+Alt+Esc in-game, to no effect.

So, anyone know what might be causing this and how to fix it?

[E-102 Gamma]

Solved, apparently. The game thought I was constantly holding down R2 for some reason. Going in to Steam's controller settings and unbinding then rebinding the right trigger mysteriously fixed it.

[FoxyPanda]

It's probably worth upgrading to the ps5 controller. Never used the ps3 on pc but used the ps4 a lot.

[E-102 Gamma]

Wouldn't be a bad idea to get a new controller, at this point. This one is very old and worn, especially its left analog stick. Still, it works.