Hello!
Go to Start/Run and type in: services.msc. Scroll down to
Remote Procedure Call (RPC)/Logon/First Failure/Restart the
Service, close Windows Explorer and in the Task Manager,
End Process on msblast.exe before running the edit.
1. a. Go to Start/Run/Regedit and delete the key below or
run this edit**. It also deletes msblast.exe from System32.