I haven't used any in years, yet they are eating into system resources.

They don’t hurt anyone, but taken together, they’re better off gone.

Windows 11 is adding Baseline Security Mode to block unsigned apps, services, and drivers by default, plus new consent prompts for sensitive access and bundled installs, with exceptions when needed ...

Windows 11's background processes should no longer trigger Modern Standby issues, which means your PC will not use excessive battery.