DOCUMENT:Q179705 05-MAR-2002 [win95x] TITLE :Unable to Install Microsoft TCP/IP PRODUCT :Microsoft Windows 95.x Retail Product PROD/VER::1,2,2.1 OPER/SYS: KEYWORDS:kbnetwork osr2 win95 ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows 95 - Microsoft Windows 95 OEM Service Release, versions 1, 2, 2.1 ------------------------------------------------------------------------------- SYMPTOMS ======== When you use the Network tool in Control Panel to install Microsoft Transmission Control Protocol/Internet Protocol (TCP/IP), you may be able to select Microsoft TCP/IP from the list of available protocols, but it may not appear in the list of installed components. CAUSE ===== This behavior can occur if the Mstcp.dll file located in the Windows\System folder is missing or damaged. RESOLUTION ========== To resolve this issue, follow these steps: 1. Rename the Mstcp.dll file (if it exists). To do so, follow these steps: a. Click Start, point to Find, and then click Files Or Folders. b. In the Named box, type "mstcp.dll" (without the quotation marks), and then click Find Now. c. If the Mstcp.dll file is found, right-click it, and then click Rename. If the Mstcp.dll file is not found, skip to step E. d. Type a new name for the Mstcp.dll file (such as Mstcp.xxx), and then press ENTER. e. Close the Find window. 2. Extract a new copy of the Mstcp.dll file from your original Windows 95 disks or CD-ROM to the Windows\System folder. The Mstcp.dll file is located in the following locations: - The Precopy1.cab cabinet file on the Windows 95 and Windows 95 OEM Service Release 2 (OSR2) CD-ROM. - The Precopy1.cab cabinet file on disk 1 of the original Windows 95 DMF floppy disks. - The Precopy2.cab cabinet file on disk 2 of the original Windows 95 non-DMF floppy disks. For information about using the Extract tool, please see the following article in the Microsoft Knowledge Base: Q129605 How to Extract Original Compressed Windows Files 3. Restart your computer. Additional query words: corrupt ====================================================================== Keywords : kbnetwork osr2 win95 Technology : kbWin95search kbOPKSearch kbZNotKeyword3 kbWin95OPKOSR2 kbWin95OPKOSR1 kbWin95OPKOSR210 Version : :1,2,2.1 Issue type : kbprb ============================================================================= 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.