directsound error

When I try to play some of my games I get a directsound error message. It says Error Initializing directsound. My dxdiag gives me this message when I test directsound.

DirectX Version: DirectX 9.0c (4.09.0000.0904)
DX Setup Parameters: Not found
DxDiag Version: 5.03.0001.0904 32bit Unicode

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DxDiag Notes
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DirectX Files Tab: No problems found.
Display Tab 1: No problems found.
Sound Tab 1: DirectSound test results: Failure at step 3 (DirectSoundCreate): HRESULT = 0x8878000a (The request failed because DirectSound resources, such as the priority level, were already in use by another caller.)
Music Tab: No problems found.
Input Tab: No problems found.
Network Tab: No problems found.

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Sound Devices
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Description: Modem #0 Line Playback (emulated)
Default Sound Playback: Yes
Default Voice Playback: No
Hardware ID:
Manufacturer ID: 1
Product ID: 81
Type: Emulated
Driver Name:
Driver Version:
Driver Attributes:
WHQL Logo'd:
Date and Size:
Other Files:
Driver Provider:
HW Accel Level: Full
Cap Flags: 0x0
Min/Max Sample Rate: 0, 0
Static/Strm HW Mix Bufs: 0, 0
Static/Strm HW 3D Bufs: 0, 0
HW Memory: 0
Voice Management: No
EAX(tm) 2.0 Listen/Src: No, No
I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No
Registry: OK
Sound Test Result: Failure at step 3 (DirectSoundCreate): HRESULT = 0x8878000a (The request failed because DirectSound resources, such as the priority level, were already in use by another caller.)

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Sound Capture Devices
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Description: Modem #0 Line Record (emulated)
Default Sound Capture: Yes
Default Voice Capture: Yes
Driver Name:
Driver Version:
Driver Attributes:
Date and Size:
Cap Flags: 0x20
Format Flags: 0x0

I just barely wiped my hard drive so I thought maybe I don't have the right drivers installed so I ran the drivers disc that came with the computer but that didn't help. I have the same sound equipment installed since I got the computer, I haven't changed any of it at all. I have direct x 9.0c and all my video drivers are the latest drivers, is there anyway to download the sound drivers somewhere, or is there something else I need to do to fix this problem.
Thakns for the help.