Mmsys.cpl is Multimedia properties. Here are a few tips I gathered from
different post. Try reinstalling your SoundMax (or other) drivers or
Reinstalling Multimedia In Windows XP:
-------------------------------------
To reinstall Multimedia in Windows XP, you have to first locate and edit
the Sysoc.inf file. This will enable the Multimedia option in
Add/Remove components list. The Sysoc.inf is a hidden system file that
will not be listed by default. To view the Sysoc.inf file, you should
enable the "Show Hidden Files and Folders" option under Files and
Folders.
You can reinstall Multimedia by following these three steps:
Step 1: Display all hidden files and folders.
Step 2: Edit the Sysoc.inf file.
Step 3: Reinstall Multimedia using Add/Remove Programs.
Step 1: To display the hidden files and folders, follow these steps:
1. Click Start and select Control Panel.
2. Click Appearance and Themes.
3. Click Folder Options and select the View tab.
4. Enable the option "Show Hidden Files and Folders."
5. Deselect "Hide Operating system Files" under Files
and Folders.
6. Click Apply and click OK.
You can now view all hidden files and folders.
Step 2: Make changes in the Sysoc.inf file by following these steps:
NOTE: Create a backup copy of the Sysoc.inf file before making
any changes to the file.
1. Click Start and select My Computer.
2. Double-click C: drive.
3. Double-click WINDOWS folder.
4. Double-click the "Inf" folder and open the Sysoc.inf file.
5. In the INF folder under the [components] section, locate the
following entry:
"MultiM=ocgen.dll,OcEntry,multimed.inf,hide,7"
6. Remove "hide" from the entry and ensure that it appears as given
below:
"MultiM=ocgen.dll,OcEntry,multimed.inf,7"
7. Save and close the Sysoc.inf file.
Step 3: Reinstalling Multimedia using Add or Remove programs:
1. Click Start and select Control Panel.
2. Click Add or Remove Programs and then click Add/Remove Windows
components.
3. Double-click Accessories and Utilities.
4. Deselect Multimedia checkbox.
5. Click OK and click Next. Windows will complete the upgrade and
prompt you to complete the process.
6. Click Finish and restart the computer.
7. After Windows loads, repeat steps 1-3.
8. Select the Multimedia checkbox.
9. Click OK and click Next.
10. Click Finish and restart the computer.
Multimedia is now reinstalled on the computer
dlaughlin69 said:
The sound and audio file won't open in the control panel. I cant change the
sounds associated with file opening, closing etc.
What's wrong??
I also have gotten a dialog box, associated with the audio control that
reads:
MMSYS.CPL
Invalid access to memory
Is this related?