Hi Ian,
Suspended services are services that are currently turned off and is prevented to automatically run. It is different from a disabled service, and suspended services are pretty normal. A services is disabled to reduce loads on your CPU because if every Windows Service automatically runs, your PC will slow down. As an example scenario, treat game applications as a service. It does not start unless you start it up. Imagine if a game automatically runs on your PC or phone, and it is in a large number, your device will slow down.
Other services are also suspended when it does not meet the requirement for it to start. For example, WiFi Hotspot/Windows Mobile Hotspot service is suspended if your PC does not support WiFi.
Should you have more concerns, feel free to post.
Regards.
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