20.8 System Update Fails on the Device with an Error Code

When you deploy an update on the managed device, the system update checks for the availability of the Windows installer service, before making any change to the device.

If installation of other MSIs, not related to ZENworks, is in progress and the system update installation begins, the update of subsequent ZENworks MSIs fails.The Windows installer displays the following error with the error code 1618:

ERROR_INSTALL_ALREADY_RUNNING

You need to redeploy the update on the managed device to successfully update the ZENworks MSIs.