Error: Failed to get priv user group information

Today, my CRM2011 server was down and throwing the following error message:

To solve this, just restart CRM services.

Failed to get priv user group information. k = 71157794-44a2-4dec-9476-90a76d05d119 privUserGroupId: 1ab26bc8-7874-4a79-8230-b236bff78f16, localSystemAdGuid: 00000000-0000-0000-0000-000000000000, Exception: Microsoft.Crm.CrmSecurityException: Could not find GUID for : SEAASTPASPIRE08$ with SearchFilter: samAccountName ---> System.Runtime.InteropServices.COMException: Retrieving the COM class factory for component with CLSID {080D0D78-F421-11D0-A36E-00C04FB950DC} failed due to the following error: 800703fa Illegal operation attempted on a registry key that has been marked for deletion. (Exception from HRESULT: 0x800703FA). at System.DirectoryServices.ActiveDirectory.DirectoryEntryManager..ctor(DirectoryContext context) at System.DirectoryServices.ActiveDirectory.Domain.GetDomain(DirectoryContext context) at Microsoft.Crm.SecurityUtils.GetGuid(String searchItem, String searchFilter, String searchItemLogInfo, Boolean exceptionIfNotfound) --- End of inner exception stack trace --- at Microsoft.Crm.SecurityUtils.GetGuid(String searchItem, String searchFilter, String searchItemLogInfo, Boolean exceptionIfNotfound) at Microsoft.Crm.SecurityUtils.GetLocalSystemGuid() at Microsoft.Crm.Caching.OrganizationSettingsCacheLoader.LoadCacheData(Guid key, ExecutionContext context).