* Open registry editor and navigate to: <code>HKEY_LOCAL_MACHINE</code>\<code>SYSTEM</code>\<code>CurrentControlSet</code>\<code>Services</code>\<code>Scream</code>\<code>Options</code>
** If the <code>Options</code> key doesn't exists, create it.
** Create a <code>DWORD</code> value called <code>UseIVSHMEM</code> and set it to <code>2</code>.
: [[File:Scream_regedit_layout.png]]
:
: [[File:Scream_regedit_dword.png]]
* Alternatively you can set the aforementioned key by executing the following command inside an administrator prompt <code>REG ADD HKLM\SYSTEM\CurrentControlSet\Services\Scream\Options /v UseIVSHMEM /t REG_DWORD /d 2</code>
* Shut down the VM, and use <code>virsh edit <vm-name></code> and insert this snippet in the XML file.
** '''Please notice that the size must match the number entered in the DWORD value as configured in windows.'''