Fix windows diagnostic service unable to start on vista

Windows unable to start diagnostic service on Vista | Error 5:Access is denied 

How to Fix windows diagnostic service unable to start on vista

Try this method to start diagnostic service on Vista

↣ Open Registry Editor
↣ Click on Start Menu >> Click on Run Button
↣ In the Open Box Type regedit & press Enter
↣ In Registry Editor browse to the key for which you need to add permission
↣ Right click the key & click Permissions
↣ Make sure Locations is selected to be the local computer
↣ Type NT SERVICE\mpssvc in the Enter the object names to select field
↣ & then click Check name & Click OK.
↣ Click On the account which appears in the list
↣ Add the appropriate permission for it
↣ When it is Complete Click on OK button.

Things to do before  fixing Error  Windows unable to start diagnostic service on Vista

↣ Back up your files and folders
↣ Create a restore point so that you can restore to an earlier date if required

Download Software to Fix Error Windows unable to start diagnostic service on Vista

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