[lordoxford]

This started in May - two of your colleagues helped, suggesting things I might
try. I had a number of different error messages but the one which recurred was
"STOP 0x7B". I am borrowing an old laptop for this communication.
I ran the AVG code from a USB stick with no improvement. I recently made a USB
stick with an OTLPE installation - this appeared to boot - I got the
"Windows XP loading" screen then "A problem has been detected . . . .
*** STOP: 0x0000007B . . . ."
The machine is an Acer TM4150 with pre-loaded XP home. I've used "D" drive for data .
If I boot from a LuPu525 (Linux) stick I find all my data intact so I'll not use
the Acer "Recovery" disks.
Please Advise me what next to do.
Cheers!

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0x0000007B: INACCESSIBLE_BOOT_DEVICE
(Click to consult the online MSDN article.)
Windows lost access to the system partition or boot volume during the startup process. Typical causes: Installing incorrect device drivers when installing or upgrading storage adapter hardware, or a virus.

I would first suggest you boot with a Linux Live cd and backup all data on the main drive you need to save.
Once that is done then we can proceed with the next step which I suspect would be a driver update. If that was not the thing that caused this then the next step would be to start malware checking.

[rshaffer61]

0x0000007B: INACCESSIBLE_BOOT_DEVICE
(Click to consult the online MSDN article.)
Windows lost access to the system partition or boot volume during the startup process. Typical causes: Installing incorrect device drivers when installing or upgrading storage adapter hardware, or a virus.

I would first suggest you boot with a Linux Live cd and backup all data on the main drive you need to save.
Once that is done then we can proceed with the next step which I suspect would be a driver update. If that was not the thing that caused this then the next step would be to start malware checking.

[123Runner]

The OP has 4 separate posts going at the same time. It is really confusing.

Looking at malware. http://www.geekstogo...ware-suspected/ The topic was never completed.
http://www.geekstogo...er/page__st__30 Last post April 22 2011 by Happyrock. Never completed.
http://www.geekstogo...rn-to-may-prob/ This topic Last post by Rshaffer61 on July 21st 2011
http://www.geekstogo...not-boot-my-xp/ This one is the most recent. Last post is Aug 21st 2011

The OP states in 1 post that he ran a reg cleaner and it wouldn't load after that.
There is also referance that memtest was clean and then another memtest showed errors.