Error Message: MDAC Install Was Unsuccessful (255653)

RESOLUTION

To resolve this issue, manually extract the MDAC files to the Windows\System folder, and then reinstall the Mdac_typ.exe file while your computer is in Safe mode. To do this, use the following methods in the order in which they are presented.

Back Up the Windows\System Folder

To back up the Windows\System folder:

1. Click Start, and then click Run. In the Open box, type the following line, and then click OK

   drive:\Windows

   where drive is the drive letter of the hard disk on which Microsoft Windows is installed.
   
   
2. Right-click the System folder, and then click Copy.
3. Right-click a blank area inside the Windows folder, and then click Paste to paste a folder named Copy of System inside the Windows folder.
4. Right-click the Copy of System folder, and then click Rename.
5. Type sysold, and then press ENTER.
6. Quit Windows Explorer.

Copy and Extract the Mdac_typ.exe File

Copy the Mdac_typ.exe File to the Windows Desktop

Copy the Mdac_typ.exe file to the Windows Desktop from the appropriate path for your program: Expedia Streets and Trips 2000:Microsoft Works Suite 2000:Microsoft Home Publishing 2000:

Extract the MDAC Files

To extract the MDAC files:

1. Click Start, point to Programs, and then click MS-DOS Prompt.
2. At the command prompt, type the following lines, and then press ENTER after you type each line:

   cd c:\windows\desktop
   mdac_typ.exe /c /t:c:\mdactemp
   exit

   NOTE: These steps automatically create a folder named Mdactemp.
   
   
3. Click Start, and then click Shut Down.
4. Click Restart in MS-DOS mode, and then click OK.

Copy the Extracted Files to the Windows\System Folder

To copy the extracted files to the Windows\System folder:

1. At the command prompt, type the following lines, and then press ENTER after you type each line:

   cd c:\mdactemp
   copy *.dll c:\windows\system

2. Press CTRL+ALT+DELETE to restart the computer.

Restart the Computer in Safe Mode

To restart the computer in Safe mode, use the appropriate method for your version of Microsoft Windows.

Microsoft Windows 95

When you see the "Starting Windows 95" message, press the F8 key, and then choose Safe Mode from the Startup menu.

Microsoft Windows 98

Press and hold down the CTRL key after your computer completes the POST (Power on Self Test), and then choose Safe Mode from the Startup menu.

Reinstall the Mdac_typ.exe File

To reinstall the Mdac_typ.exe file:

1. When the computer is in Safe mode, double-click the Mdac_type.exe file.
2. Follow the instructions on the screen to reinstall the Mdac_type.exe file.
3. Restart the computer.