Solutions to MDAC problems can become very complex and it is possible to make the problems worse while attempting fixes. Most often however, MDAC can be successfully repaired by installing the latest MDAC Service Pack.

The best way to obtain the latest MDAC version is to download it directly from Microsoft. There are different install packages for MDAC depending on what version of Windows you have. Make sure to read the entire documentation before downloading and installing an update.

Click here to access the MDAC Download Web Page.

This link will take you directly to the Microsoft Web Site in a new web browser window.

• After reading the documentation, download the update and save it on your hard disk, (it's easiest to save it to your desktop).
• Then, double-click on the installer to start the process.
• Follow the instructions to complete the update
• Most likely your PC will have to be restarted to complete the install.

Microsoft Knowledge Base Articles

If installing the latest MDAC version doesn't solve the problem there is a large amount of information available from Microsoft regarding problems with MDAC.

List of Useful Articles Related to MDAC Setup (Q243069)

The MDAC Component Checker described in the following article is the most powerful tool for finding and repairing MDAC problems. It can be very complicated to use, so read the documentation carefully before making any changes.

Component Checker: Diagnose Problems and Reconfigure MDAC Installations (Q307255)