Computer keeps restarting on desktop Due to BSOD! PLZ help

Hi ive just recieved a new comp off my brother,

intel[R] pentium[R] 4 CPU 3.00ghz 32-Bit

with 1.5 Gb Ram


And every time i get on the compuet im given a restart, now when i get back onto the desktop my Error finder tells me that i have recieved a BSOD the code i wrote down is .....


Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 2057

Additional information about the problem:
BCCode: 124
BCP1: 00000000
BCP2: 8584D8FC
BCP3: 00000000
BCP4: 00000000
OS Version: 6_1_7600
Service Pack: 0_0
Product: 256_1

Files that help describe the problem:
C:\Windows\Minidump\052407-59718-01.dmp
C:\Users\Lee Appleby\AppData\Local\Temp\WER-72828-0.sysdata.xml


This is causing me a great deal of stress seeing that my income is web based, i have a hunch it maybe corrupted ram but i knew asking professionals wud help,

Im in dire need of help and would love a hand

thankyou for taking the time to read

forgot to add that it is windows 7