BSOD almost everytime i boot !!!

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Windows 7 Kernel Version 7601 (Service Pack 1) MP (2 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 7601.17803.amd64fre.win7sp1_gdr.120330-1504
Machine Name:
Kernel base = 0xfffff800`0361e000 PsLoadedModuleList = 0xfffff800`03862670
Debug session time: Tue Jun 18 04:43:15.632 2013 (UTC - 4:00)
System Uptime: 0 days 0:01:24.349
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*                        Bugcheck Analysis                                    *
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SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M (1000007e)
This is a very common bugcheck.  Usually the exception address pinpoints
the driver/function that caused the problem.  Always note this address
as well as the link date of the driver/image that contains this address.
Some common problems are exception code 0x80000003.  This means a hard
coded breakpoint or assertion was hit, but this system was booted
/NODEBUG.  This is not supposed to happen as developers should never have
hardcoded breakpoints in retail code, but ...
If this happens, make sure a debugger gets connected, and the
system is booted /DEBUG.  This will let us see why this breakpoint is
happening.
Arguments:
Arg1: ffffffffc0000005, The exception code that was not handled
Arg2: fffff88001c03b0f, The address that the exception occurred at
Arg3: fffff88003b06868, Exception Record Address
Arg4: fffff88003b060c0, Context Record Address

Debugging Details:
------------------

TRIAGER: Could not open triage file : e:\dump_analysis\program\triage\modclass.ini, error 2

EXCEPTION_CODE: (NTSTATUS) 0xc0000005 - The instruction at "0x%08lx" referenced memory at "0x%08lx". The memory could not be "%s".

FAULTING_IP: 
rdyboost!B_TREE<_SMD_STORE_KEY,ST_STORE::_ST_PAGE_ENTRY,4096,NP_CONTEXT>::BTreeSearchKey+9f
fffff880`01c03b0f 410fb710        movzx   edx,word ptr [r8]

EXCEPTION_RECORD:  fffff88003b06868 -- (.exr 0xfffff88003b06868)
ExceptionAddress: fffff88001c03b0f (rdyboost!B_TREE<_SMD_STORE_KEY,ST_STORE::_ST_PAGE_ENTRY,4096,NP_CONTEXT>::BTreeSearchKey+0x000000000000009f)
   ExceptionCode: c0000005 (Access violation)
  ExceptionFlags: 00000000
NumberParameters: 2
   Parameter[0]: 0000000000000000
   Parameter[1]: 0000000000000000
Attempt to read from address 0000000000000000

CONTEXT:  fffff88003b060c0 -- (.cxr 0xfffff88003b060c0)
rax=00000000084adcad rbx=0000000000000000 rcx=00000000000000cb
rdx=fffffa8003017cb8 rsi=fffffa8002acf090 rdi=fffffa8002b513b0
rip=fffff88001c03b0f rsp=fffff88003b06aa0 rbp=0000000000000000
 r8=0000000000000000  r9=0000000000000194 r10=0000000000000002
r11=00000000000000ca r12=00000000000000ca r13=0000000000000001
r14=0000000000000040 r15=fffffa8002acf078
iopl=0         nv up ei ng nz ac po cy
cs=0010  ss=0018  ds=002b  es=002b  fs=0053  gs=002b             efl=00010297
rdyboost!B_TREE<_SMD_STORE_KEY,ST_STORE::_ST_PAGE_ENTRY,4096,NP_CONTEXT>::BTreeSearchKey+0x9f:
fffff880`01c03b0f 410fb710        movzx   edx,word ptr [r8] ds:002b:00000000`00000000=????
Resetting default scope

DEFAULT_BUCKET_ID:  NULL_DEREFERENCE

PROCESS_NAME:  System

CURRENT_IRQL:  0

ERROR_CODE: (NTSTATUS) 0xc0000005 - The instruction at "0x%08lx" referenced memory at "0x%08lx". The memory could not be "%s".

EXCEPTION_PARAMETER1:  0000000000000000

EXCEPTION_PARAMETER2:  0000000000000000

READ_ADDRESS: GetPointerFromAddress: unable to read from fffff800038cc100
GetUlongFromAddress: unable to read from fffff800038cc1c0
 0000000000000000 Nonpaged pool

FOLLOWUP_IP: 
rdyboost!B_TREE<_SMD_STORE_KEY,ST_STORE::_ST_PAGE_ENTRY,4096,NP_CONTEXT>::BTreeSearchKey+9f
fffff880`01c03b0f 410fb710        movzx   edx,word ptr [r8]

BUGCHECK_STR:  0x7E

LAST_CONTROL_TRANSFER:  from fffff88001c05bb5 to fffff88001c03b0f

STACK_TEXT:  
fffff880`03b06aa0 fffff880`01c05bb5 : 00000000`00000000 00000000`084adcad 00000000`00000000 fffffa80`02acf078 : rdyboost!B_TREE<_SMD_STORE_KEY,ST_STORE::_ST_PAGE_ENTRY,4096,NP_CONTEXT>::BTreeSearchKey+0x9f
fffff880`03b06af0 fffff880`01c11901 : fffffa80`00000000 fffff880`00b05000 00000000`000000ce fffff880`091c1000 : rdyboost!ST_STORE::StCompactRegions+0x1f9
fffff880`03b06ba0 fffff880`01c0fd98 : fffffa80`00000004 00000000`000000d1 00000000`000000ce fffffa80`02ad3000 : rdyboost!ST_STORE::StCompactionPerformInMem+0x23d
fffff880`03b06c30 fffff880`01c0f4b4 : fffffa80`02acf398 00000000`00000080 fffffa80`02acf398 fffff800`00b76080 : rdyboost!ST_STORE::StCompactionWorker+0x68
fffff880`03b06c80 fffff880`01c0e41a : fffffa80`02acf398 fffff880`03b06d20 00000000`00000080 fffffa80`00000000 : rdyboost!ST_STORE::StWorkItemProcess+0xc0
fffff880`03b06ce0 fffff800`03933e6a : 00000000`00000000 fffff800`00000000 fffffa80`02ace2c0 fffffa80`018c50b0 : rdyboost!SMKM_STORE::SmStWorker+0x152
fffff880`03b06d40 fffff800`0368df06 : fffff800`0380fe80 fffffa80`02ace2c0 fffff800`0381dcc0 00000000`00000000 : nt!PspSystemThreadStartup+0x5a
fffff880`03b06d80 00000000`00000000 : fffff880`03b07000 fffff880`03b01000 fffff880`03b06810 00000000`00000000 : nt!KiStartSystemThread+0x16


SYMBOL_STACK_INDEX:  0

SYMBOL_NAME:  rdyboost!B_TREE<_SMD_STORE_KEY,ST_STORE::_ST_PAGE_ENTRY,4096,NP_CONTEXT>::BTreeSearchKey+9f

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: rdyboost

IMAGE_NAME:  rdyboost.sys

DEBUG_FLR_IMAGE_TIMESTAMP:  4ce7982e

STACK_COMMAND:  .cxr 0xfffff88003b060c0 ; kb

FAILURE_BUCKET_ID:  X64_0x7E_rdyboost!B_TREE__SMD_STORE_KEY,ST_STORE_SMD_TRAITS_::_ST_PAGE_ENTRY,4096,NP_CONTEXT_::BTreeSearchKey+9f

BUCKET_ID:  X64_0x7E_rdyboost!B_TREE__SMD_STORE_KEY,ST_STORE_SMD_TRAITS_::_ST_PAGE_ENTRY,4096,NP_CONTEXT_::BTreeSearchKey+9f

Followup: MachineOwner