مشكلة في الشاشة الزرقاء و عمل ريتستارت باستمرار

[mcse55]

الحهاز بيعمل ريستارت باستمرار فجاة وبيديني شاشة زرقاء
كنت شغال علي xp وغيرته وبردو المشكلة موجودة عندي 2 رامه جبرت اشغل واحدة بس لكن بردو المشكلة موجودة
وعملت سكان للفيروس وفرمت الهارد وبردو يعني عملت معها اللي مايتعملش
كود الخطا اللي بيظهر في الشاشة الزرقاء
0x0000004e

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 3073

Additional information about the problem:
BCCode: 7f
BCP1: 0000000D
BCP2: 00000000
BCP3: 00000000
BCP4: 00000000
OS Version: 6_1_7600
Service Pack: 0_0
Product: 256_1

[digital center]

Error Message:

STOP: 0x0000004E (parameter, parameter, parameter, parameter) PFN_LIST_CORRUPT
Explanation:

This is a Windows 2000 Executive character-mode STOP message. It indicates the memory management page file number (PFN) list is corrupted.
User Action:

If this is the first time you have booted after installing new hardware, remove the hardware and boot again. Check the Microsoft Hardware Compatibility List to verify that the hardware and its drivers are compatible with Windows 2000. For information about the hardware, contact the supplier. If you are installing Windows 2000 for the first time, check the Windows 2000 system requirements, including the amount of RAM and disk space required to load the operating system. Also, check the Hardware Compatibility List to verify that the system can run Windows 2000. If Windows 2000 is loaded and no new hardware has been installed, reboot with recovery options set to create a dump file. If the message continues to appear, select the Last Known Good option when you reboot. If there is no Last Known Good configuration, try using the Emergency Repair Disk. If you do not have an Emergency Repair Disk, contact your technical support group.

المشكلة على الأغلب بالذاكرة