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After installing SP3 if the computer produce Blue screen with the error code 0X0000007e

1. Boot the computer in the Safemode

2. Click Start -> Run -> Regedit -> Ok

3. Navigate to HKLM\System\Current Control Set\Services\Intelppm\Start

4. Change the value from 0 to 4

If the above steps doesn’t help then boot the computer from the CD and go to Recovery console

1. Type “enable intelppm Service_System_start” without quotes

2. Press Enter

3. Reboot the computer normally

After installing SP3 if the computer doesn’t boot and if it gives the error “We apologize for the inconvenience windows did not start successfully”

1. Boot in Safemode

2. click Start -> Run -> Msconfig -> Ok

3. Disable startup items

4. Disable services after enabling “hide all microsoft services”

If this doesn’t resolve your problem then revert back the changes and do a hardware clean boot.

1. Click Start -> right click on My Computer -> Properties -> Hardware -> Device Manager

2. Disable Network adapters, Sound card, Display adapters, USB devices

3. Unplug all the external devices

4. Reboot the computer normally

If this resolves the issue, then follow the same steps and try to enable one device at a time to diagnose.

After identifying the hardware that causing the problem, you can try updating the driver for the device or replace the device

After installing SP3 if the Device Manager is blank

1. Click Start -> Run -> regedit -> Ok

2. Navigate to HKLM\System\Current Control Set\ENUM

3. Right click on ENUM and give Full permissions to the ENUM key

If you get “Unable to read from or write to database” while installing SP3

1. Click start -> Run -> Regedit -> Ok

2. Navigate to HKLM\Software\Microsoft\Windows\CurrentVersion\Setup

3. Right click on Setup -> New -> Dword -> Give name as LogLevel and the value should be 0

4. Click Start -> Run -> CMD -> Ok

5. Type “ESENTUTL /p %windir%\security\database\secedit.sdb” without quotes and press Enter

Even after following the above steps if you couldn’t install then try to

1. Click Start -> Run -> C:\Windows\Security\ -> Ok

2. Rename all the files that starts with edb (rename it to edbxxxx.old)

3. Click Start -> Run -> C:\Windows\System32\CatRoot2 -> Ok

4. Rename all the files that starts with edb (rename it to edbxxxx.old)

After installing SP3 if you couldn’t boot and if you get the error “Problem was detected and windows has been Shut down to protect your computer from damage.” followed by “The BIOS in this system is not fully ACPI compliant” STOP: 0×000000A5

If you get the above error then you would be able to boot the computer with the help of USB HDD or Flash drive.

Simply connect the device to the computer and reboot. Once it is boot to the desktop update the Chipset driver or Uninstall SP3.

You can also uninstall SP3 by booting the computer from the Windows XP disk

If you couldn’t install SP3 due to low system resources then,

1. Click Start -> Run -> Regedit -> Ok

2. Navigate to HKLM\Software\Microsoft\Windows\Currentversion\setup

3. Right click on Setup -> New String -> Value name should be BootDir and Data Value should be C:\
If you already have BootDir then make sure the Data value is C:\

Prabveen