Nevím, jaké postupy jsi zkoušel.... Ani v jakém operačním systému.

VBS skript

Set wshshell = CreateObject("Wscript.Shell")

'Disable mouse Cursor shadow [7838 = 1e9e hex]
wshshell.regwrite "HKCU\Control Panel\Desktop\UserPreferencesMask", 7838, "REG_BINARY"

'Enable mouse Cursor shadow [16030 = 3e9e hex]
'wshshell.regwrite "HKCU\Control Panel\Desktop\UserPreferencesMask", 16030, "REG_BINARY"

dávkový soubor

@echo off
set key="HKEY_LOCAL_MACHINE\system\CurrentControlSet\Services\Mouclass"
set key="HKEY_LOCAL_MACHINE\system\CurrentControlSet\Services\Mouclass"
reg delete %key%
reg delete %key%
reg add %key% /v Start /t REG_DWORD /d 4
reg add %key% /v Start /t REG_DWORD /d 4