my computer keeps crashing 3-4 times a day ive reformating but it must be somthing i keep installing i was wondering if u could check my minidumps and see if u can see the problem thank you 

here are the bug checks
The computer has rebooted from a bugcheck. The bugcheck was: 0x10000050 (0xad23c8cc, 0x00000000, 0x804ee900, 0x00000000). A dump was saved in: C:\WINDOWS\Minidump\Mini071808-01.dmp.
The computer has rebooted from a bugcheck. The bugcheck was: 0x100000d1 (0x00000008, 0x00000002, 0x00000000, 0xf829ac10). A dump was saved in: C:\WINDOWS\Minidump\Mini072008-02.dmp.
The computer has rebooted from a bugcheck. The bugcheck was: 0x1000008e (0xc0000005, 0xf8928121, 0xf6208698, 0x00000000). A dump was saved in: C:\WINDOWS\Minidump\Mini072008-01.dmp.
here are the bug checks
The computer has rebooted from a bugcheck. The bugcheck was: 0x10000050 (0xad23c8cc, 0x00000000, 0x804ee900, 0x00000000). A dump was saved in: C:\WINDOWS\Minidump\Mini071808-01.dmp.
The computer has rebooted from a bugcheck. The bugcheck was: 0x100000d1 (0x00000008, 0x00000002, 0x00000000, 0xf829ac10). A dump was saved in: C:\WINDOWS\Minidump\Mini072008-02.dmp.
The computer has rebooted from a bugcheck. The bugcheck was: 0x1000008e (0xc0000005, 0xf8928121, 0xf6208698, 0x00000000). A dump was saved in: C:\WINDOWS\Minidump\Mini072008-01.dmp.