PowerMgr.exe is an executable file that belongs to the Lenovo Power Manager Host process which comes along with the Lenovo Power Manager Software developed by Lenovo software developer. The issue occurs because of the existence of the Lenovo Power Manager app on the computer. This application is installed to save energy consumption and hold the state of the file system in RAM in the Reset, On, Idle, and Suspend power states.
0x0000007E, The specified module could not be found
If you’re faced with this issue, you should uninstall Lenovo Power Manager and see if that helps to resolve the issue.
Uninstall & reinstall Lenovo Power Manager
Lenovo Power Manager (PowerMgr.exe) is automatically installed as a built-in program on your devices. The main aim of the software is, cutting power expenditure through management of battery charging levels and time. Since the software is causing issues on your Windows 10 device, you can uninstall the Lenovo Power Manager driver. Here’s how:
Press Windows key + X to open the Power User Menu.Tap M key on the keyboard to open Device Manager.Once you’re inside Device Manager, scroll down and locate System Devices and double-click to expand it.Now right click on Lenovo Power Manager and select Properties.Select Uninstall Device.In the confirmation dialog box, check the box against Delete the Driver Software for this device.Click OK.Reboot computer.
On boot, you can now proceed to either update the Lenovo Power Manager driver manually via the Device Manager, or you can get the driver updates on the Optional Updates section under Windows Update. You can also download the latest driver from the Lenovo website. If the above solution does not work for you, you can restore your system to an earlier point when the system was working correctly.