Issue

When you attempt to install Acrobat 6.x-7.x, Photoshop Elements 5.0, or Creative Suite 3 on Windows, the following error occurs "Error 1327 - Invalid Drive [drive letter here]"

Reason

  • A system folder is mapped to a network drive that has the Reconnect at Logon check box checked.
  • You've changed the drive letter for the CD-ROM drive or hard drive where the system folder is located.

Solution

Adobe Technical Support recommends that you temporarily disable startup items and services before attempting to install. After the installation is complete you can re-enable the startup items.

Do one or more of the following:

Solution 1: Use the subst command to remove the drive letter.

This DOS utility allows a user to connect and disconnect a drive letter to a virtual drive location. Disconnecting the drive letter should allow the installer to proceed without generating a error message.

  1. Click Start > Run.
  2. Type cmd and click OK.
  3. Type subst /D [Driver Letter]: and press Enter.

    -- If you recieve a error proceed to Solution 2.

  4. Type exit and press Enter.
  5. Attempt to install Acrobat.

Solution 2: Use the subst command to reassociate the drive letter with a temporary location.

This DOS utility allows a user to connect and disconnect a drive letter to a virtual drive location. Connecting the drive letter with a temporary location allows the installer to location that path. Verify the temp folder exists before redirecting the drive to that location. Create it if it does not exist.

  1. Click Start > Run.
  2. Type cmd and click OK.
  3. Type subst [Driver Letter]: C:\temp and press Enter.
  4. Type exitand press Enter.
  5. Attempt to install Acrobat.
  6. Click Start > Run.
  7. Type cmd and click OK.
  8. Type subst /D [Driver Letter]: and press Enter.

    Note: This will remove the temporary association that was created previously.

  9. Type exit and press Enter.

Solution 3: Create a new local administrator account.

Log on to the computer using a local account and install the application(s).

  1. Log into a new local administrator account.
  2. Attempt to install Acrobat again.

Solution 4: Disconnect network drive.

This information was obtained from http://support.microsoft.com/default.aspx?scid=kb;en-us;282183. This solution will only assist you if network drives appear under My Computer. If none are present proceed to the next solution.

  1. Click Start > Programs > Windows Explorer.
  2. In Windows Explorer, click Tools and then Disconnect Network Drive.
  3. Select the network drive on which the shell folder is located and click OK.
  4. On the Tools menu, click Map Network Drive.
  5. Uncheck Reconnect at Logon and type the path to the shell folder. Click OK.
  6. Restart Windows.
  7. Install the application(s).

Solution 5 : Reassign the drive letter.

This information was obtained from http://support.microsoft.com/default.aspx?scid=kb;en-us;290356 and http://support.microsoft.com/default.aspx?scid=kb;en-us;292802.

Restore the drive letter by following these steps:

Windows NT

  1. Click Start > Programs > Administrative Tools > Disk Administrator.
  2. Right click the drive and choose Assign Drive Letter.
  3. Choose the original drive letter.

Windows 2000

  1. Click Start > Settings > Control Panel.
  2. In the Control Panel Window, double-click Administrative Tools and then computer Management.
  3. Right click the hard drive or CD-ROM Drive you want to change the letter of and select Change Drive Letter and Path.
  4. Click Edit and then select the original drive letter. Click OK.

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