WMC errors CLR20r3 / ehshell.exe.. PLEASE HELP !

Whenever I go to Windows Media Center, it no longer opens and instead gives me an error. I have no idea what it means but have tried researching it and found no real answers. 

The error is :  
Description:   Stopped working 
Problem signature:   

Problem Event Name: CLR20r3   
Problem Signature 01: ehshell.exe   
Problem Signature 02: 6.1.7600.16385  
Problem Signature 03: 4a5bd053   
Problem Signature 04: mcstore   
Problem Signature 05: 6.1.0.0   
Problem Signature 06: 4ce7b873   
Problem Signature 07: 1a1   
Problem Signature 08: 146   
Problem Signature 09: System.InvalidOperationException   
OS Version: 6.1.7601.2.1.0.256.1   
Locale ID: 1033 

Can anyone please help me solve this or, sadly, should I just reinstall Windows (again) ?
 
Question Info

Last updated July 18, 2018 Views 5,717 Applies to:
Answer

Hi,

1.    Do you remember any changes done on your computer that could have caused this?



This problem occurs if the Windows Media Center update process (Mcupdate.exe) cannot access the Windows Media Center data store. You may experience this problem if the data store is damaged. Therefore, try to rebuild the Media Center data store. To do this, follow these steps:

Method 1:
a) Exit any running instance of Windows Media Center.

b) Delete the mediaCenterData Store.db file. By default, this file is in the following location:

%SYSTEMDRIVE%\ProgramData\Microsoft\eHome\mediaCenterDataStore.db

To delete the file, follow these steps:

a) Click Start and then click Run .

b) In the Open box, type run and then click OK

c) If you are prompted for an administrator password or for confirmation, type the password, or click Continue .

d) In the Open box, type %systemdrive%\programdata\microsoft\ehome and then click OK .

e) In the details pane, right-click mediacenterdatastore.db and then click Delete .

f) Click Yes to confirm that you want to move the Mediacenterdatastore.db file to the Recycle Bin.

c) Now start Windows media center and check.

 

Method 2: . Click Start button, click All Programs, click Accessories, then right-click Command Prompt, in the right click menu, please click Run as administrator.
2. Type the following commands, press Enter after each line.

regsvr32 atl.dll
cd C:\WINDOWS\eHome
ehSched /unregServer
ehSched /service
ehRecvr /unregServer
ehRecvr /service
ehRec.exe /unregServer
ehRec.exe /regserver
ehmsas.exe /unregServer
ehmsas.exe /regserver


 If the issue still exists, please move on to reinstall Windows Media Center:

 

Method 3:

a.      Open Control Panel/Programs and Features.

b.    Click "Turn Windows features on or off" in the left pane.

c.      Expand "Media Features", uncheck "Windows Media Center". Click "Yes" to continue, and click OK to quit. Then Restart.
Note: If you turn off WMP, Windows Media Center will be turned off either. You may need to re-configure settings for Windows Media Center after re-enabling it.
d.    Open "Turn Windows features on or off" again. Turn on the features "Windows Media Player" and "Windows Media Center". Restart.

If the issue still exists, please move on to reinstall Windows

 

For more information, refer to the below link:
http://answers.microsoft.com/en-us/windows/forum/windows_7-sound/windows-7-media-center-stopped-working/191d41f4-a0a2-4a74-b051-7d0a311316ee

Hope this helps!

 

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