stop c0000139 entry point not found

stop c0000139 entry point not found. The procedure entry point wcsncpy_s in the dynamic link library ntdll.dll.

How can I sort this problem out?
Who is Participating?
sorushAuthor Commented:
My solution was to start in OEM dvd and to copy ntdll.dll from the x:\Windows\system32\ to c:\Windows\system32.
Ivano ViolaSystem AdministratorCommented:
Does the computer blue screen every time you boot up? Any new programs installed recently?
If the problem started occurring after a new program install then you could try booting up into safe mode and uninstalling the program. On boot-up hit the F8 key and select safe mode. If not then I would try doing a system restore to a point in time before this problem started occurring.
Here is an article on how to do a system restore in Windows 7:

Let me know how it goes or if you have more information regarding the problem.
You can also try startup repair by booting from windows 7 disc.

sorushAuthor Commented:
The solution I mention here is best
Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.

All Courses

From novice to tech pro — start learning today.