Task Manager not Repsonding in Windows 2012

Hi

We have a Windows 2012 server and when i right click the task bar and click the task manager the window is blank  and the timing glass is thinking. If i click on the task manager windows, it says ( Task Manager not Responding).

I left for 30 minutes and nothing happened and also restarted the server it is the same . When I try to close the blank task manager windows I get the message saying check for the solution  and restart the program. Please see the snapshot.

Any help to resolve this would be great.

Thanks
Task-manager.bmp
lianne143Asked:
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JohnBusiness Consultant (Owner)Commented:
Try running DISM.

Open cmd.exe with Run as Administrator and run dism.exe /online /cleanup-image /restorehealth  
Allow this to complete and restart again, then test.

If DISM does not work, you may need to try a Repair Install with the Server 2012 Media.
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lianne143Author Commented:
Do I need to take a downtime on the server or is it ok to run the DISM on the live environment, .
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JohnBusiness Consultant (Owner)Commented:
You can run DISM on the live environment but you should restart upon completion of DISM.
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lianne143Author Commented:
Hi

I have started running the following in the command prompt and will post you once its has completed.
C:\Users\administrator>dism.exe /online /cleanup-image /restorehealth

Deployment Image Servicing and Management tool
Version: 6.3.9600.17031

Image Version: 6.3.9600.17031
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JohnBusiness Consultant (Owner)Commented:
Thank you. If you need more help, please open another question.
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Windows Server 2012

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