1 nov 2017 · The issue is: on the i7-5600U host CPU, the "System" process is permanently using at least 25% CPU (one thread fullly loaded) as long as the VBox guest machine ...

9 jan 2019 · Shut down the VM. · Go to the VM Settings » Display » Screen. Enable 2D and 3D acceleration. Increase the VRAM to the max 256 MB, if you can.

25 okt 2023 · Each extra processor in the VM is really a thread or set of threads on the host OS. The host has to schedule those threads. This extra ...

4 mrt 2022 · It works for a couple seconds, then the host CPU usage drops to around 10% while the VM thinks it still uses 100% (see attached screenshot).

17 feb 2017 · It runs all right, except for the fact that the CPU is being overused (about 170% and even more), which in its turn makes the cooler running non-stop.

20 jun 2022 · At this point we have no idea how to help. But you could try right-clicking a VM and Discard the Saved State. Then try running the VM again.

20 nov 2018 · Speak anything into the microphone for a second; Watch the CPU usage rise as shown in the screenshot below. Also, sound recorder inside the ...

14 jan 2017 · The CPU in the VM is running constantly at 99-100% which makes it unbearable to operate in, let alone code in. The Mac OS's CPU is only running at about 35%.

28 feb 2009 · It is a known issue that running one VM can bump CPU use for no reason, running a second 'dummy' VM solves that cpu issue, though I haven't had ...

18 okt 2018 · I see VB is using ~ 160% of CPU at all times when an Ubuntu 18.04 VM (with guest additions also updated) is running but basically idle.