Win XP: was bedeutet Memoy error detected.

hallo
was hat folgendes zu sagen

Memoy error detected.

Copying between  2a9146 and 2a9100 did Not result in accurately copy.Memtest has detected that your Computer cannot accurately store data in RAM.


Mein Betriebssystem ist WINDOWS XP HOME EDITON Service Pack 3 ie 8
AMD Prozessor 3100+
1,8 Ghz
1GB RAM vorher 512 MB RAM

Grafikkarte Radeon  x1300 series- und second series
Bluescreen


Mini072112-01.dmp   21.07.2012 19:42:33   KERNEL_MODE_EXCEPTION_NOT_HANDLED   0x1000008e   0xc0000005   0x8053a8f6   0xedccfce0   0x00000000   ntoskrnl.exe   ntoskrnl.exe+638f6   NT-Kernel und -System   Betriebssystem Microsoft® Windows®   Microsoft Corporation   5.1.2600.6223 (xpsp_sp3_gdr.120504-1619)   32-bit   ntoskrnl.exe+638f6               C:\WINDOWS\Minidump\Mini072112-01.dmp   1   15   2600   98.304   


Mini072212-01.dmp   22.07.2012 13:49:26   IRQL_NOT_LESS_OR_EQUAL   0x1000000a   0x80807648   0x00000002   0x00000000   0x80523dfb   ks.sys   ks.sys+448   Kernel CSA Library   Microsoft(R) Windows(R) Operating System   Microsoft Corporation   5.3.2600.5512 (xpsp.080413-2108)   32-bit   ntoskrnl.exe+4cdfb   ntoskrnl.exe+28d70   ntoskrnl.exe+28e87   ntoskrnl.exe+6ac5d      C:\WINDOWS\Minidump\Mini072212-01.dmp   1   15   2600   98.304