can't resize virtual screen in virtual box

I'e tried ev erything I can find online to change the resolution to 1920x1080 including
-using a custom display size in prefernece
-uses every graphics controllers in the vm setting
-using the vboxguestaddition.iso image both from the package manager and from the virtualbox's website
-and installing guest and host modules
I can't think of anything else to do. the only other issue I can think of is whenever i turn on my laptop I get a message that says "VBclient: The virtualbox kernel service is not running. exiting."
could that be part of the problem? if not and if nobody can think of anything else to do should I switch to a different distro?

can you post the output of

pacman -Qs virtualbox
local/linux419-virtualbox-guest-modules 6.0.6-4 (linux419-extramodules)
    Guest kernel modules for VirtualBox
local/linux420-virtualbox-guest-modules 6.0.6-2 (linux420-extramodules)
    Guest kernel modules for VirtualBox
local/linux420-virtualbox-host-modules 6.0.6-2 (linux420-extramodules)
    Host kernel modules for VirtualBox
local/linux50-virtualbox-guest-modules 6.0.6-6 (linux50-extramodules)
    Guest kernel modules for VirtualBox
local/linux50-virtualbox-host-modules 6.0.6-6 (linux50-extramodules)
    Host kernel modules for VirtualBox
local/virtualbox 6.0.6-2
    Powerful x86 virtualization for enterprise as well as home use
local/virtualbox-ext-vnc 6.0.6-2
    VirtualBox VNC extension pack
local/virtualbox-guest-dkms 6.0.6-2
    VirtualBox Guest kernel modules sources
local/virtualbox-guest-iso 6.0.6-1
    The official VirtualBox Guest Additions ISO image
local/virtualbox-guest-utils 6.0.6-2
    VirtualBox Guest userspace utilities
local/virtualbox-host-dkms 6.0.6-2
    VirtualBox Host kernel modules sources
local/virtualbox-sdk 6.0.6-2
    VirtualBox Software Developer Kit (SDK)

  • remove all the guest stuff from your host
  • remove the dkms modules since you're using kernel specific extramodules
  • remove the sdk if you don't need it
  • install the host modules that correspond to the kernels you use
  • install the extension pack using virtualbox-ext-oracle from the AUR, or manually from virtualbox website

So basically on the host you should have

  • virtualbox
  • virtualbox-guest-iso
  • linux***-virtualbox-host-modules (*** is the version of the kernel(s) you're running)
  • virtualbox-ext-oracle (if you use the AUR version)

okay so I uninstalled everything except the first three things you listed. installed the virtualbox-ext-oracle from the aur and the resize button is till greyed out.

Ok, I'm assuming your host OS is manjaro, is it?
What is your guest OS (linux, windows...) ?
host, the one installed on your computer
guest, the one installed in virtualbox

The OS on the actual computer is manjaro xcfe and the OS I'm using in virtualbox is windows 10

In virtualbox, load the Guest additions CD ( Devices > Insert Guest Additions CD Image...) and install it in windows 10

how would I install it in windows 10? would it be an .exe in my downloads?

It would be a CD-ROM

okay I'm in the cd drive. do I run the VBoxWindowsAddition.exe?

So I run the installer and the installer keeps giving me this error message

Error excuting ""C:\Program Files\Oracle\VirtualBox Guest Additions\VBoxDrvInst.exe" driver install "C:\Program Files\Oracle\VirtualBox Guest Additions\VBoxWddm.inf" "C:\Program Files\Oracle\VirtualBox Guest Additions\install_drivers.log"" (exit code: 2) -- aborting installation

is my virtual machine just doomed?

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