These settings are all referenced in preferences.ini

prefvmx.defaultVMpath = "G:"

ckecked: pref.saveOpenedObjs = "true"
unckecked: pref.saveOpenedObjs = "false"

checked: pref.backgroundOnClose = "true"
unchecked: pref.backgroundOnClose = "false"

ckecked: enableAllSharedFolders = "true"
unckecked: enableAllSharedFolders = "false"

ckecked: pref.trayicon.enabled = "true"
unckecked:pref.trayicon.enabled = "false"

pref.defaultVirtualHW.version = "6"
#pref.defaultVirtualHW.version = "5"
#pref.defaultVirtualHW.version = "4"

webUpdate.checkPeriod = "never"
#webUpdate.checkPeriod = daily"
#webUpdate.checkPeriod = "weekly"
#webUpdate.checkPeriod = "monthly"

checked: pref.grabOnKeyPress = "true"
unchecked: pref.grabOnKeyPress = "false"

checked:pref.grabOnMouseClick = "true"
unchecked: pref.grabOnMouseClick = "false"

checked:pref.motionUngrab = "true"
unchecked:pref.motionUngrab = "false"

checked: pref.hideCursorOnUngrab = "true"

unchecked:pref.hideCursorOnUngrab = "false"

checked: pref.motionGrab = "true"

unchecked: pref.motionGrab = "false"

several combinations of the listed lines are possible

pref.hotkey.alt = "default"
pref.hotkey.alt = "true"
pref.hotkey.alt = "false"

pref.hotkey.control = "default"
pref.hotkey.control = "true"
pref.hotkey.control = "false"

pref.hotkey.shift = "default"
pref.hotkey.shift = "true"
pref.hotkey.shift = "false"

pref.hotkey.gui = "default"
pref.hotkey.gui = "true"
pref.hotkey.gui = "false"

checked: pref.autoFit = "true"
unchecked: pref.autoFit = "false"

checked: pref.autoFitGuestToWindow = "true"
unchecked: pref.autoFitGuestToWindow = "false"

#pref.autoFitFullScreen = "fitGuestToHost"

pref.autoFitFullScreen = "fitHostToGuest"

#pref.autoFitFullScreen = "none"

checked: pref.fullscreen.toolbarPixels = "3"
unchecked: pref.fullscreen.toolbarPixels = "0"

this settings are referenced in the config.ini

checked:
tools.upgrade.policy = "upgradeAtPowerCycle"

unchecked:
tools.upgrade.policy = "manual"

this settings are referenced in the config.ini

prefvmx.allVMMemoryLimit = "1843"

prefvmx.minVmMemPct = "100"

# prefvmx.minVmMemPct = "50"

# prefvmx.minVmMemPct = "25"

this settings are referenced in the config.ini

priority.grabbed = "normal"
# priority.grabbed = "high"

priority.ungrabbed = "normal"
#priority.ungrabbed = "low"
#priority.ungrabbed = "idle"

this settings are referenced in the config.ini

checked:

mainMem.partialLazySave = "true"
mainMem.partialLazyRestore = "true"

unchecked:

mainMem.partialLazySave = "false"
mainMem.partialLazyRestore = "false"

this directly affects registry:
HKLM\Software\Microsoft\Windows\CurrentVersion
\policies\explorer : NoDriveTypeAutoRun

this settings are referenced in the config.ini

unchecked:

lockout.enabled = "false"

checked:

lockout.enabled = "true"

lockout.createVM = "true"

lockout.editVM = "true"

lockout.manageNetworks = "true"

lockout.passwordHashed = "true"
lockout.password = "HD8320mJ99Vc3FrSkD4P9w=="