BSOD's/Explorer.exe crashes all day long

Archived from groups: microsoft.public.windowsxp.perform_maintain (More info?)

Here's the info:The application, C:\WINDOWS\Explorer.EXE,
generated an application error The error occurred on
09/22/2004 @ 14:20:29.593 The exception generated was
c0000005 at address 77F57EC4 (ntdll!RtlAllocateHeap)
Wednesday, September 22, 2004 The application,
C:\WINDOWS\Explorer.EXE, generated an application error
The error occurred on 09/22/2004 @ 21:04:13.468 The
exception generated was 80000007 at address 00000000 ()
Saturday, October 02, 2004 The application, C:\Program
Files\Lavasoft\Ad-Aware SE Plus\Ad-Watch.exe, generated
an application error The error occurred on 10/02/2004 @
16:06:47.234 The exception generated was c00000fd at
address 77E7A2F9 (kernel32!GetTickCount)
Here's another:
Error code 1000008e, parameter1 c0000005, parameter2
bfa2978c, parameter3 eca52ba0, parameter4 00000000.
PLEASE HELP!! Reformatted raid array 4 times!!!