Won't load xp, hangs at aswrvrt.sys

I have read some of the other posts and I would like to add my log file for FRST but don’t know how.

instructions https://forum.avast.com/index.php?topic=53253.0

OK, here is the log.

What happened prior to non booting ?

The computer shut down over the weekend. I thought the motherboard had fried because I couldn’t get to to do anything but then removed a few of the RAM modules and found one to be defective. It tries to boot but always gets stuck in aswrvrt.sys and then restarts.

I don’t think I downloaded anything. Hadn’t even updated Avast in a while.

Have you tried to boot with just one RAM stick in ?

Yes, same result.

This will disable Avast although I do not feel it is the problem

Download the attached fixlist.txt to the same location as FRST
Start FRST and press fix
Try a normal boot on completion

Now it is getting stuck on mup.sys

The most common cause is the executing PnP (Plug and Play) and ACPI routines issue.
To fix the issue, we need to access the computer from Recovery Console.

If you do have your Windows CD

  1. To start the Recovery Console directly from the Windows XP CD you would do the following:

[*]Insert the Windows XP cd in your computer.[*]Restart your computer so you are booting off of the CD.[*]When the Welcome to Setup screen appears, press the R button on your keyboard to start the Recovery Console.[*]The Recovery Console will start and ask you which Windows installation you would like to log on to. If you have multiple Windows installations, it will list each one, and you would enter the number associated with the installation you would like to work on and press enter. If you have just one Windows installation, type 1 and press enter.[*]It will then prompt you for the Administrator’s password. If there is no password, simply press enter. Otherwise type in the password and then press enter.[*]If you entered the correct password you will now be presented with a C:\Windows> prompt and you can start using the Recovery Console.

  1. Type map and press enter.
    It will give you the drive letters.
    Note down the letter of you CD-ROM.
    If it is a letter other than E you should replace the letter E with your CD drive letter when applying the expand command later on if the command is needed to be applied.

Type following commmands, pressing Enter after each one.

[*]ren c:\windows\system32\drivers\atapi.sys atapi.old
(It will returns to the prompt again without notification)[*]copy c:\windows\servicepackfiles\i386\atapi.sys c:\windows\system32\drivers
(If you get a notification “1 file(s) copied” you don’t need to do the next expand command and go to exit command. But if you get notification that the file doesn’t exist proceed with expand command)[*]expand e:\I386\atapi.sy_ c:\windows\system32\drivers
(You should be notified that the file expanded)[*]exit

You may remove the CD or let Windows boot normally.

If you don’t have your Windows CD
Please download ARCDC from Artellos.com.

[*]Double click ARCDC.exe
[*]Follow the dialog until you see 6 options. Please pick: [i]Windows Professional SP2 & SP3[/i]
[*]You will be prompted with a Terms of Use by Microsoft, please accept.
[*]You will see a few dos screens flash by, this is normal.
[*]Next you will be able to choose to add extra files. Select the Default Files.
[*]The last window will allow you to burn the disk using BurnCDCC
Then, follow instructions from Step #1 above.