Vista x64 Random bluescreen

My computer has had random blue screens, application crashes, and "Windows has recovered from a serious error" messages.

Here is a event log message that might be useful.

Log Name:      System
Source:        Application Popup
Date:          10/22/2009 4:43:52 AM
Event ID:      1801
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      Bi_James
Description:
The hardware has reported an uncorrectable memory error.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Application Popup" />
    <EventID Qualifiers="49152">1801</EventID>
    <Level>2</Level>
    <Task>0</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2009-10-22T09:43:52.152Z" />
    <EventRecordID>62353</EventRecordID>
    <Channel>System</Channel>
    <Computer>Bi_James</Computer>
    <Security />
  </System>
  <EventData>
    <Data>
    </Data>
    <Binary>000004000100000000000000090700C0270100000000000000000000000000006028775F0000000000400000</Binary>
  </EventData>
</Event>


And also this Error too

Log Name:      Application
Source:        Application Error
Date:          10/22/2009 4:34:05 AM
Event ID:      1000
Task Category: (100)
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      Bi_James
Description:
Faulting application DfrgNtfs.exe, version 6.0.6001.18000, time stamp 0x4791915f, faulting module DfrgNtfs.exe, version 6.0.6001.18000, time stamp 0x4791915f, exception code 0xc0000005, fault offset 0x0000000000008808, process id 0x129c, application start time 0x01ca52fac9f6d960.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Application Error" />
    <EventID Qualifiers="0">1000</EventID>
    <Level>2</Level>
    <Task>100</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2009-10-22T09:34:05.000Z" />
    <EventRecordID>3875</EventRecordID>
    <Channel>Application</Channel>
    <Computer>Bi_James</Computer>
    <Security />
  </System>
  <EventData>
    <Data>DfrgNtfs.exe</Data>
    <Data>6.0.6001.18000</Data>
    <Data>4791915f</Data>
    <Data>DfrgNtfs.exe</Data>
    <Data>6.0.6001.18000</Data>
    <Data>4791915f</Data>
    <Data>c0000005</Data>
    <Data>0000000000008808</Data>
    <Data>129c</Data>
    <Data>01ca52fac9f6d960</Data>
  </EventData>
</Event>
jaybird283Asked:
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_3mp3ror_Commented:
dfrgntfs.exe is the Windows defrag program. If it is running automatically, do the following to disable it:

Open REGEDIT

Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Dfrg\BootOptimizeFunction

Change the value of the key "Enable" from Y to N

also schedule a chkdsk or the drives - scanning for bad sectors also would not hurt in this case.

regards
NelsonTorresCommented:
i would also Try

malwarebytes
http://www.malwarebytes.org/mbam.php

superantispyware
http://www.superantispyware.com/download.html    (free version)
snazyCommented:
Seems that the application that is causing the errors is DfrgNtfs.exe, which is the Windos Defragmantation. Maybe you have a problem with the hard drive, check it for errors. I guesss if you turn off the Windows Defragmentation the bluescreening will stop for a while, but this will not fix the cause of the problem.

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