Audio device problems after installing updates

Here is the information about my system:
os name microsoft windows 7 home premium
version 6.1.7600 build 7600
other os description not available
os manufacturer Microsoft corporation
system manufacturer hp-pavilion
system model KJ385AA-ABA a6433w
system type X86-based pc
processor Intel® Core™2 Duo CPU E8400 @ 3.00Ghz, 2999 Mhz, 2 Core(s), 2 Logical Processor(s)
BIOS device American Meagatrends Inc. 5.22, 3/28/2008
SMBIOS version 2.5
Window Directory C:\Windows
System Directory C:\Windows\system32
Boot Drive \Device\HarddiskVolume1
Locale United States
Hardware Abstraction Layer Version = “6.1.7600.16385
Time Zone Central Time Zone
Installed Physical Memory (RAM) Not Available
Total Physical Memory 3.00 GB
Available Physical Memory 1.99 GB
Total Virtual Memory 7.49 GB
Available Virtual Memory 6.48 GB
Page File Space 4.50 GB
Page File C:\pagefile.sys


Here are some of my problems:
My cd/dvd drive is missing
Itunes will not play
my mouse is not working(may not be related)


I would appreciate any help I can get

Make a Print Screen of Device Manager please.