ブルースクリーン現象になりました

質問をさしてもらい
ブルースクリーン現象ということが分かり
(対処の仕方がわかりません)
BlueScreenView
を使い　(何個かありましたが数が多かったので何個かはりました)
ブルースクリーンのところを抜き出してみました

ハードディスクのバックアップはとらなくても大丈夫でしょうか

A problem has been detected and Windows has been shut down to prevent damage
to your computer.

The problem seems to be caused by the following file: ntkrnlpa.exe

IRQL_NOT_LESS_OR_EQUAL

If this is the first time you've seen this stop error screen,
restart your computer. If this screen appears again, follow
these steps:

Check to make sure any new hardware or software is properly installed.
If this is a new installation, ask your hardware or software manufacturer
for any Windows updates you might need.

If problems continue, disable or remove any newly installed hardware
or software. Disable BIOS memory options such as caching or shadowing.
If you need to use safe mode to remove or disable components, restart
your computer, press F8 to select Advanced Startup Options, and then
select Safe Mode.

Technical Information:

*** STOP: 0x0000000a (0x9589a9b8, 0x00000002, 0x00000000, 0x82ebb60b)

*** ntkrnlpa.exe - Address 0x82e4ffd9 base at 0x82e02000 DateStamp 0x4cb710d6

二つ目
A problem has been detected and Windows has been shut down to prevent damage
to your computer.

The problem seems to be caused by the following file: ntkrnlpa.exe

IRQL_NOT_LESS_OR_EQUAL

If this is the first time you've seen this stop error screen,
restart your computer. If this screen appears again, follow
these steps:

Check to make sure any new hardware or software is properly installed.
If this is a new installation, ask your hardware or software manufacturer
for any Windows updates you might need.

If problems continue, disable or remove any newly installed hardware
or software. Disable BIOS memory options such as caching or shadowing.
If you need to use safe mode to remove or disable components, restart
your computer, press F8 to select Advanced Startup Options, and then
select Safe Mode.

Technical Information:

*** STOP: 0x0000000a (0x00000000, 0x0000001b, 0x00000000, 0x82e95c94)

*** ntkrnlpa.exe - Address 0x82e9bfd9 base at 0x82e4e000 DateStamp 0x4cb710d6

三つめ
A problem has been detected and Windows has been shut down to prevent damage
to your computer.

The problem seems to be caused by the following file: ntkrnlpa.exe

CACHE_MANAGER

If this is the first time you've seen this stop error screen,
restart your computer. If this screen appears again, follow
these steps:

Check to make sure any new hardware or software is properly installed.
If this is a new installation, ask your hardware or software manufacturer
for any Windows updates you might need.

If problems continue, disable or remove any newly installed hardware
or software. Disable BIOS memory options such as caching or shadowing.
If you need to use safe mode to remove or disable components, restart
your computer, press F8 to select Advanced Startup Options, and then
select Safe Mode.

Technical Information:

No.1 ベストアンサー 回答者： FEX2053 回答日時： 2011/06/01 16:10

割り込みが衝突しているって言ってますので、可能性としてはハードウエアのエラーですね。

インストール中に発生しているなら、接続している機器の故障ですので、一つ一つ外してチェックして下さい。

既に動作中の機器の場合は、何かビデオカードとかメモリとか「内部を開いて増設するもの」を新たに装備してませんか？　その場合はそれらを外して元通りにして下さい。

直らない場合は（必ずエラーになる場合）は、メーカーのサービス直行ですね。