I was helpless...fortunately found a solution.
To remove this error messege follow these steps.
1. Type "regedit" in run dialog box.
2. Navigate to "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon".
3. There is a string value named "userinit". The value of this key should "c:\windows\system32\userinint.exe".
4. Delete anything thing after this.
5. Now logoff and relogin or Reboot.
Enjoy.
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कोई भी मूल्य एवं संस्कृति तब तक जीवित नहीं रह सकती जब तक वह आचरण में नहीं है.