PPT97: "Mmsystem 296" Error When Inserting AVI or MPEG Files

RESOLUTION

To resolve this problem, re-associate the AVI or MPEG file type with Media Player. To do this, follow these steps:

1. Select a file of the type (AVI or MPEG) for which you want to change the association.
2. Hold down SHIFT and right-click the file. Click Open With on the shortcut menu.
3. Click Mplayer in the Open With dialog box. Click to select the "Always use this program to open this type of file" check box.
4. Click OK.

ActiveMovie may have added a registry entry that re-associates files with ActiveMovie when you restart Microsoft Windows. If the entry is present, remove it. To remove the ActiveMovie startup item from the registry, follow these steps.

WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

For information about how to edit the registry, view the "Changing Keys And Values" Help topic in Registry Editor (Regedit.exe) or the "Add and Delete Information in the Registry" and "Edit Registry Data" Help topics in Regedt32.exe. Note that you should back up the registry before you edit it. If you are running Windows NT, you should also update your Emergency Repair Disk (ERD).

1. Click Start, and then click Run. Type regedit, and then click OK.
2. In the left pane of Registry Editor, open the following subkey (folder):

       HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
   					

3. In the right pane, look for the following ActiveMovie entry:

         Name                                      Data
         ---------------------------               ---------------------
         ActiveMovie File Extensions               "ActMovie.exe /Check"
   					

4. Select the entry and press DELETE.