OFF: "Setup cannot register Mfc40.dll" Error MessageLast reviewed: December 30, 1997Article ID: Q178652 |
The information in this article applies to:
SYMPTOMSWhen you run the Microsoft Office Setup program, you may receive the following error message
Unable to register Mfc40.dllfollowed by:
Setup cannot register Mfc40.dll in the system registry because an older version is in use. Close all applications and try again. CAUSEAnother program is running that is using any version of the file Mfc40.dll.
RESOLUTIONClose all programs by removing the icons from the Startup folder and closing any programs that are on the taskbar. To do so, follow these steps:
MORE INFORMATIONSome programs install different versions of the Mfc40.dll and the Msvcrt40.dll files than the Microsoft Office Setup program installs. If one of the files is the wrong version, the Microsoft Office Setup program may fail to complete successfully. Both Microsoft Office 7.0 and Microsoft Office 97 install the following versions of the Mfc40.dll and Msvcrt40.dll files:
Mfc40.dll Size: 924,432 bytes Version: 4.1.6139 Msvcrt40.dll Size: 326,656 bytes Version: 4.10.6038 REFERENCESFor more information about incorrect versions of Mfc40.dll and Msvcrt40.dll, see the following article in the Microsoft Knowledge Base:
ARTICLE-ID: Q163556 TITLE : "Unable to Register Mfc40.dll" Error During MS Office Install ARTICLE-ID: Q153733 Title : PRB: Wrong Mfc40.dll and Msvcrt40.dll from ActiveX CD-ROM Disc ARTICLE-ID: Q159685 Title : ACC95: "Unable to Register Mfc40.dll" Error Installing MS Access |
Additional query words: errors errs err
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