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mmsys.cpl missing

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by karsudha Feb 23, 2001 last reply Mar 18, 2001

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when i click on volume symbol in taskbar i am getting mmsys.cpl is missing. i can play vcd's but can;t hear any audio.

i did extracted the mmsys.cpl file from cab files and copied to c:\windows\system folder.

but still the same problem persists.

is there any method to get around this problem than reinstalling.

early help is appreciated.

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This file will not load unless it is in the registry.
HKEY_CLASSES_ROOT\CLSID\{00022613-0000-0000-C000-000000000046}\InProcServer32

Default "c:\windows\system\mmsys.cpl"
ThreadingModel "Apartment"

Try this. Hope it works.

Paul

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This is the second location
HKEY_CLASSES_ROOT\idffile\DefaultIcon

use the Default listed above

this is the third location

HKEY_LOCAL_MACHINE\Software\CLASSES\CLSID\{00022613-0000-0000-C000-000000000046}\InProcServer32

use the Default and ThreadingModel as in first answer

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\MediaResources\acm

Default "Audio Compression"
Installer "C:\windows\system\mmsys.cpl"

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\MediaResources\aux

Default "Auxillary"
Installer Same as above

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\MediaResources\icm

Default "Image Compression"
Installler Same as above

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\MediaResources\mci

Default "Media Control"
Installer Same as above

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