Method 2: Verify these services are started, in order:
DCOM Server Process Launcher
RPC Endpoint Mapper
Remote Procedure Call (RPC)
Security Accounts Manager
If they are not started, start them and check. Follow the steps below:
a) Click Start, type “services” on the start search box and press enter.
b) Scroll down and check for the above mentioned services.
c) Double click each of the services and start them if they are not started.
Important this section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these
steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article
in the Microsoft Knowledge Base: