DOCUMENT:Q246792 20-MAY-2002 [winnt] TITLE :ReleaseDC API Fails with Laststatus and Lasterror Error Messages PRODUCT :Microsoft Windows NT PROD/VER::4.0,4.0 SP4 OPER/SYS: KEYWORDS:kberrmsg kbWinNT4sp6fix ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Server versions 4.0, 4.0 SP4 - Microsoft Windows NT Workstation versions 4.0, 4.0 SP4 - Microsoft Windows NT Server, Enterprise Edition versions 4.0, 4.0 SP4 ------------------------------------------------------------------------------- IMPORTANT: The individual hotfix that is available is for Windows NT 4.0 Service Pack 4 only. Do not apply the individual hotfix to a computer running Windows NT 4.0 Service Pack 5. Applying Windows NT 4.0 Service Pack 6 to a computer running Windows NT 4.0 Service Pack 5 will resolve this problem. SYMPTOMS ======== The ReleaseDC API fails to release a device context intermittantly, and you see the following error messages: lasterror = 87 ERROR_INVALID_PARAMETER laststatus = 0xc000007c STATUS_NO_TOKEN RESOLUTION ========== To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual hotfix. - For information on obtaining the latest service pack, please go to: http://www.microsoft.com/windows/servicepacks/ -or- Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack - For information on obtaining the individual hotfix, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web: http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS The English-language version of this fix should have the following file attributes or later: Date Time Size File name Platform ------------------------------------------------------------- 08/04/99 01:37p 169,744 gdi32.dll x86 08/04/99 01:37p 326,416 user32.dll x86 07/28/99 11:21a 1,250,640 win32k.sys x86 08/04/99 01:37p 175,376 winsrv.dll x86 08/06/99 01:09p 307,984 gdi32.dll Alpha 08/06/99 01:09p 577,296 user32.dll Alpha 07/28/99 11:20a 2,071,888 win32k.sys Alpha 08/06/99 01:09p 316,176 winsrv.dll Alpha STATUS ====== Microsoft has confirmed this to be a problem in Windows NT 4.0. This problem was first corrected in Windows NT 4.0 Service Pack 6. Additional query words: ====================================================================== Keywords : kberrmsg kbWinNT4sp6fix Technology : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT400search kbWinNTW400sp4 kbWinNTSsearch kbWinNTSEntSearch kbWinNTSEnt400sp4 kbWinNTSEnt400 kbWinNTS400sp4 kbWinNTS400search kbWinNTS400 Version : :4.0,4.0 SP4 Hardware : ALPHA x86 Issue type : kbbug Solution Type : kbfix ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2002.