APPCRASH c0000005฿c0000096 please help! my Vista error all days , how to fix it?

Problem signature:
Problem Event Name: APPCRASH
Application Name: 512.exe
Application Version: 0.0.0.0
Application Timestamp: 4a454248
Fault Module Name: 512.exe
Fault Module Version: 0.0.0.0
Fault Module Timestamp: 4a454248
Exception Code: c0000005
Exception Offset: 000090ca
OS Version: 6.0.6001.2.1.0.256.1
Locale ID: 1033
Additional Information 1: 395a
Additional Information 2: 34935062d2f93efbc8762fc5d84c8e56
Additional Information 3: 3bb1
Additional Information 4: 0a99a957ee6823fe31c7262f0df94ff8

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Problem signature:
Problem Event Name: APPCRASH
Application Name: Explorer.EXE
Application Version: 6.0.6001.18164
Application Timestamp: 4907e242
Fault Module Name: kernel32.dll
Fault Module Version: 6.0.6001.18215
Fault Module Timestamp: 49953395
Exception Code: c0000096
Exception Offset: 000c91e5
OS Version: 6.0.6001.2.1.0.256.1
Locale ID: 1033
Additional Information 1: fd00
Additional Information 2: ea6f5fe8924aaa756324d57f87834160
Additional Information 3: fd00
Additional Information 4: ea6f5fe8924aaa756324d57f87834160

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Problem signature:
Problem Event Name: APPCRASH
Application Name: Explorer.EXE
Application Version: 6.0.6001.18164
Application Timestamp: 4907e242
Fault Module Name: kernel32.dll
Fault Module Version: 6.0.6001.18215
Fault Module Timestamp: 49953395
Exception Code: c0000096
Exception Offset: 000c91e5
OS Version: 6.0.6001.2.1.0.256.1
Locale ID: 1033
Additional Information 1: fd00
Additional Information 2: ea6f5fe8924aaa756324d57f87834160
Additional Information 3: fd00
Additional Information 4: ea6f5fe8924aaa756324d57f87834160

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Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.0.6001.2.1.0.256.1
Locale ID: 1033

Additional information about the problem:
BCCode: 1000008e
BCP1: C0000005
BCP2: 824825D1
BCP3: 97E0783C
BCP4: 00000000
OS Version: 6_0_6001
Service Pack: 1_0
Product: 256_1

Files that help describe the problem:
C:\Windows\Minidump\Mini062909-01.dmp
C:\Users\Backpack Tripper\AppData\Local\Temp\WER-45817-0.sysdata.xml
C:\Users\Backpack Tripper\AppData\Local\Temp\WERD844.tmp.version.txt

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Now I almost can't run my vista properly. anyone please suggest how to solve this problem.

really tahnk you in advance for all adviser.

EDIT

I changed this post because I didn't notice

Application Name: 512.exe

Click to expand...

This is trojan.You have to remove it!Use this tool http://malwarebytes.org/http://www.vistax64.com/tutorials/221510-crash-dumps-analyse-bugcheck-process.html

i appreciate it.

i found no malware. other method?

alonzotong said:

i found no malware. other method?

Click to expand...

512.exe surly is trojan.Usually this file is located in C:\Windows\System32
Use much stronger tool Kaspersky LiveCD Kaspersky Rescue Disk Free Download and Reviews - Fileforum

Burn *.iso file,boot it & scan

thank Flavius.

you very kind.