Can not turn on antivirus

[PPPP]

My notebook had a blue screen error
After recovery I can see the message showing that my AV is turn off
I have been trying many time to turn it on
But failed

Need urgent help

[PPPP]

Problem signature:
  Problem Event Name:   BlueScreen
  OS Version:   6.0.6001.2.1.0.768.3
  Locale ID:   1033

Additional information about the problem:
  BCCode:   51
  BCP1:   00000001
  BCP2:   88823250
  BCP3:   012B3000
  BCP4:   00000368
  OS Version:   6_0_6001
  Service Pack:   1_0
  Product:   768_1

Files that help describe the problem:
  C:\Windows\Minidump\Mini021009-01.dmp
  C:\Users\Valued Customer\AppData\Local\Temp\WER-65224-0.sysdata.xml
  C:\Users\Valued Customer\AppData\Local\Temp\WER7F7B.tmp.version.txt

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[au8ust]

AVG ເວີຊັນທີ່ຕິດຕັ້ງຫັນ ມັນເປັນເວີຊັນຫລ້າສຸດສຳລັບ Vista ຫຼືຍັງ? ແລ້ວກໍ່ເປັນເວີຊັນຟຣີ ຫຼືເສຍເງິນ? ແລ້ວລອງ re-install ຫຼືຍັງ?

[PPPP]

[PPPP]

http://help.lockergnome.com/security/turn-antivirus--ftopict815.html