I was trying to upgrade my Gateway SOLO 1450 from by adding a 512 MB chip to the already existing 128 MB.  I called Gateway and also went through the crucial.com memory chip selector to make sure I got the right one.  

I purchased a KINGMAX 512MB PC133 chip from newegg.  When I put the chip in along with the 128 chip. It starts to boot and then I get the FOLLOWING BLUE screen of death message:

STOP C0000218 {Registry File Failure} The registry cannot load the hive (file): \systemroot\system32\sonfig\DEFAULT or its log or alternate.  It is corrupt, absent, or not writable.  Beginning dump of physical memory.
Physical memory dump: (countup)  Contact your system admin or technical support group for further assistance.

If I take the upgrade ship out then the computer boots fine with the message that it recovered from a serious error:

BCCode : 1000007e  BCP1 : C0000005  BCP2 : 80608809  BCP3 : F8A45A08
BCP4 : F8A45708  OSVer : 5_1_2600  SP : 0-0  Product : 768-1

I haver tried swapping the memory around and the same thing happens.  I have tried booting with only the 512 memory and I dont even see a boot screen.  When both MODULES are in the BIOS reads Slot1: 128MB Slot2: 512MB.

I have also tried to upgrade video drivers and repairing WINDOWS from a boot disk.  When I tried to repair the drive, a message said the the C: drive was corrupt and unrepairable.

I was wondering if I just have a bad module or is it some other problem??  If it is a bad module, would the BIOS be able to read that it was a 512 chip??? Thanks for any info anyone can give.
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If it is a bad module, would the BIOS be able to read that it was a 512 chip

...I called Gateway and also went through the crucial.com memory chip selector to make sure I got the right one....