Workaround for Unexpected Error in PowerCfg -SleepStudy
PowerCfg is a nifty little tool for analyzing and configuring all kinds of things related to battery usage and power plans. In Windows 8.1 PowerCfg learned how to analyze the effectiveness of connected standby, a new low-power mode introduced in Windows 8 that enables applications to stay connected while the device (mostly) sleeps. All the more frustrating when that new command suddenly stops working.
Troubleshooting