File Company:Microsoft Corporation
File Product:Microsoft® Windows® Operating System
File Version:6.1.7600.16385
File path(s):C:\Windows\System32\umpo.dll
File size:117KB
File type:DLL
Description:User-mode Power Service 用户模式电源服务

What causes a Rundll Error?

A Rundll error occurs when XP, Windows 10 systems startup, and the Rundll error is caused by: Improperly deleting a DLL file. Missing DLL errors caused by deletion of a shared DLL file when an application is uninstalled. A shared DLL file is deleted or infected by a virus or Trojan. Invalid or incorrect DLL entries in the Windows registry. Corrupted DLL files.

How to Fix umpo.dll problems

What is umpo.dll?

umpo.dll is part of a product called known as Microsoft® Windows® Operating System and it is developed by Microsoft Corporation. C:\Windows\System32\umpo.dll

Do you have a problem with umpo.dll?

If umpo.dll is using too much CPU or too much memory in your system, it is possible that your file has been infected with a virus. Try installing DLLEscort to fix this error.

How to remove umpo.dll from your computer?

If you want to remove umpo.dll from your computer, just go to Start > Control Panel > Add/Remove programs and select Microsoft® Windows® Operating System from the list.

How can you fix problems with umpo.dll?

If you have any problems with umpo.dll, you may try using a dllescort to check, analyze, and fix DLL problems that are affecting the performance of your computer.

How can you find further information for umpo.dll?

User-mode Power Service 用户模式电源服务

Run System File Checker (SFC)

1.Press Windows Key + X then click on Command Prompt(Admin).

command prompt with admin rights

2.Now type the following in the cmd and hit enter:

Sfc /scannow
sfc /scannow /offbootdir=c:\ /offwindir=c:\windows

SFC scan now command prompt

3.Wait for the above process to finish and once done restart your PC.