The Disable and Enable Screen Shot feature does not work in Stage now 220.127.116.111. During Staging, it posts these message to the log.
2014-07-04 19:41:29 Start of Barcode Staging
2014-07-04 19:41:29 Barcode Staging Failed. Error: Charactristics/Param errors found in invoked CSPs. Details: DisplayMgr-invalid, Function is not supported.
2014-07-04 19:41:29 End of Barcode Staging
The device was upgraded to MX 5.0 with the built in upgrade kit in the StageNow App. I uploaded the sample profile I used.