BSOD frequent errors

[astroboy89]

Problem 1
Source
Windows
Summary
Shut down unexpectedly
Date
1/20/2011 6:53 AM
Problem signature
Problem Event Name: BlueScreen
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 1033
Extra information about the problem
BCCode: 1000008e
BCP1: C0000005
BCP2: 8BC12B72
BCP3: AD1E36D0
BCP4: 00000000
OS Version: 6_1_7600
Service Pack: 0_0
Product: 256_1
Bucket ID: 0x8E_tdx!TdxCreateControlChannel+70
Server information: 468bedb8-c4ab-458b-800e-8fe956ea87a6

--------------------------------------------------------
Problem 2
Source
Windows
Summary
Shut down unexpectedly
Date
1/5/2011 6:35 AM
Status
Solution available
Problem signature
Problem Event Name: BlueScreen
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 1033
Extra information about the problem
BCCode: 1000008e
BCP1: C0000005
BCP2: 00100010
BCP3: CE42F714
BCP4: 00000000
OS Version: 6_1_7600
Service Pack: 0_0
Product: 256_1
Bucket ID: 0x8E_bckd+885b
Server information: a05c4a0a-a5ac-410c-b914-4d1907b547dd

What is happening?Please help me.