DOCUMENT:Q88841 26-SEP-1999 [win95x] TITLE :Windows Err Msg: An Old Version of UNIDRV.DLL Is Installed... PRODUCT :Microsoft Windows 95.x Retail Product PROD/VER:WINDOWS:3.1,3.11 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows versions 3.1, 3.11 ------------------------------------------------------------------------------- SYMPTOMS ======== When you choose the Printers icon from the Windows 3.1 Control Panel, and then choose the Setup button, Windows may display the following message: An old version of UNIDRV.DLL is installed on your system. Your printer requires a newer version. Install the updated UNIDRV.DLL file into your Windows SYSTEM directory. When you choose OK to dismiss the message, Windows displays the following: Control Panel Not enough memory available for this task. Quit one or more applications to increase available memory, and then try again. NOTE: This second message does not accurately describe the problem; ignore this message. CAUSE ===== As the first error message indicates, this problem occurs when a printer driver does not match the version of UNIDRV.DLL currently installed. This typically occurs when you attempt to manually copy an updated printer driver file into the Windows SYSTEM or Windows directory, without actually updating the UNIDRV.DLL and driver file through Control Panel. RESOLUTION ========== To correct the problem: 1. Reinstall the printer driver through Control Panel: a. Choose the Printers icon, and choose the Add button. b. Select Install Unlisted Or Updated Printer, then choose the Install button. c. Type the directory path to the OEMSETUP.INF file for the printer driver and UNIDRV.DLL combination. (This will install the printer driver as well as its associated UNIDRV.DLL. - or - 2. Copy the UNIDRV.DLL and UNIDRV.HLP files, which came with the updated printer driver, into your WINDOWS\SYSTEM directory. 3. If UNIDRV.DLL exists in the C:\WINDOWS directory, remove it. UNIDRV.DLL should reside in the WINDOWS\SYSTEM directory. Additional query words: 3.10 3.11 cpanel unidrv ====================================================================== Keywords : Technology : kbWin3xSearch kbZNotKeyword3 kbWin310 kbWin311 Version : WINDOWS:3.1,3.11 ============================================================================= 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 1999.