Many Error messages

I just recently got a Dell 8100 series computer that is custom built. I thought this computer would have little if any problems. Recently, I have been getting error message after error message. I can't post all of them here for they are too many but I will post a few:

**********************************************************************
Date 09/06/2001 Time 18:29
APHEX caused an invalid page fault in
module APHEX.EXE at 01a7:005155f3.
Registers:
EAX=00000000 CS=01a7 EIP=005155f3 EFLGS=00010246
EBX=01c15694 SS=01af ESP=0086f520 EBP=00000004
ECX=f9997e66 DS=01af ESI=0086f558 FS=13e7
EDX=00000000 ES=01af EDI=0063f000 GS=0000
Bytes at CS:EIP:
f3 ab 8b 8b 20 09 00 00 8d 44 24 0c 50 68 40 56
Stack dump:
01c374cc 01c15694 01c374cc 01c15694 0063832c f999999b 00000000 00515429 01c15694 0086f558 01c374cc 00000000 01c15694 0051222f f999999b 01c374cc
**********************************************************************
Date 09/06/2001 Time 18:29
APHEX caused an invalid page fault in
module KERNEL32.DLL at 01a7:bff6bb07.
Registers:
EAX=00000000 CS=01a7 EIP=bff6bb07 EFLGS=00000246
EBX=0086fe28 SS=01af ESP=0086fd88 EBP=0086fd98
ECX=00000000 DS=01af ESI=0063ad88 FS=13e7
EDX=0086f428 ES=01af EDI=005cac10 GS=0000
Bytes at CS:EIP:
ff 76 04 e8 8a 87 ff ff 5e c2 04 00 56 8b 74 24
Stack dump:
0060f784 00554abd 0063ad88 00000000 0086fe38 0054d395 0000000d 0054d2ef 005cac10 0054d2c7 c0000005 00000001 00000000 00551ee2 c0000005 00000000
**********************************************************************
Date 09/08/2001 Time 00:33
AIM caused a general protection fault
in module NVDISP.DRV at 0001:0000a263.
Registers:
EAX=00000210 CS=0377 EIP=0000a263 EFLGS=00000286
EBX=0000fb86 SS=5fcf ESP=0000bad8 EBP=0000bb24
ECX=00000150 DS=0607 ESI=0000bbf6 FS=5fcf
EDX=0000000e ES=0846 EDI=0000d776 GS=0846
Bytes at CS:EIP:
66 8e 5d 2e 0f b7 75 2c 0b d2 0f 8c 92 01 00 00
Stack dump:
0000d776 0000bbf6 ffff0607 ffffffff 000002a0 00000038 d7c4043f 31d7bc62 715703c7 d77622e3 bc980000 00000000 00010000 ffff000e 00001125 0000001c
**********************************************************************
Date 09/08/2001 Time 00:33
caused an invalid page fault in
module at ee3f:bff62340.
Registers:
EAX=00001416 CS=01a7 EIP=bff62340 EFLGS=00010202
EBX=81dba6d8 SS=01af ESP=8407ee00 EBP=8407ee04
ECX=ee39ebb0 DS=01af ESI=81d9f080 FS=129f
EDX=81dba6d8 ES=01af EDI=00000017 GS=0000
Bytes at CS:EIP:
8e e8 65 a1 4e 00 00 00 33 c9 8e e9 c3 cc cc cc
Stack dump:
bff791fe 8407ef44 bff78e78 81d0b000 00000008 00000017 8d65f618 81dba6d8 81dba6d8 505c3a43 72676f72 46206d61 73656c69 4d49415c ee003539 00000000
**********************************************************************
Date 09/08/2001 Time 00:33
EXPLORER caused a general protection fault
in module KRNL386.EXE at 0001:000061be.
Registers:
EAX=0000d88c CS=0187 EIP=000061be EFLGS=00000282
EBX=00000100 SS=1f7f ESP=0000c3fc EBP=0000c3fe
ECX=00000000 DS=20cd ESI=00000122 FS=0000
EDX=00021403 ES=20cd EDI=00000122 GS=0000
Bytes at CS:EIP:
8e c0 26 3a 1e 08 00 7f ee 8e 46 04 8c 06 00 00
Stack dump:
c40a13d6 13d662f6 01af01af c4161e97 0c3f6976 8dcef810 c464011f 01df0028 f8100c3f 011f8dce bff7068c 81d0b000 00000060 00000000 bff6235d 0000005c
**********************************************************************
Date 09/08/2001 Time 00:33
RUNDLL32 caused a general protection fault
in module KRNL386.EXE at 0001:000061be.
Registers:
EAX=0000d88c CS=0187 EIP=000061be EFLGS=00000282
EBX=00000100 SS=689f ESP=00007d7c EBP=00007d7e
ECX=00000000 DS=20cd ESI=00000109 FS=0000
EDX=00021e03 ES=20cd EDI=00000109 GS=0000
Bytes at CS:EIP:
8e c0 26 3a 1e 08 00 7f ee 8e 46 04 8c 06 00 00
Stack dump:
7d8a1e36 1e3662f6 01af01af 7d96685f 142f6976 8dcefe0c 7de4011f 01df0028 fe0c142f 011f8dce bff7068c 81d0b000 00000060 00000000 bff6235d 0000005c
**********************************************************************
Date 09/08/2001 Time 02:58
PIP caused an invalid page fault in
module KERNEL32.DLL at 01a7:bff8e1ad.
Registers:
EAX=c002fa54 CS=01a7 EIP=bff8e1ad EFLGS=00010212
EBX=0c2dfe28 SS=01af ESP=0c1dfd98 EBP=0c1e0034
ECX=00000000 DS=01af ESI=00000000 FS=61b7
EDX=bff6682d ES=01af EDI=bff69198 GS=0000
Bytes at CS:EIP:
53 8b 15 f4 bc fb bf 56 89 4d e4 57 89 4d dc 89
Stack dump:

If anyone knows what to do than please email me and help. Also, my computer has frozen a few times. Is there anyway to restart it without pulling the plug from the outlet. (Control,Alt, Delete does not work when frozen)