NTOSKRNL Missing or Corrupt
If you get an error that NTOSKRNL not found:
- Insert and boot from your WindowsXP CD.
- At the first R=Repair option, press the R key
- Press the number that corresponds to the correct location for the installation of Windows you want to repair. Typically this will be #1
- Change to the drive that has the CD ROM.
- CD i386
- Expand ntkrnlmp.ex_ C:\Windows\System32\ntoskrnl.exe.
- If WindowsXP is installed in a different location, just make the necessary change to C:\Windows.
- Take out the CD ROM and type exit.

HAL.DLL Missing or Corrupt
If you get an error regarding a missing or corrupt hal.dll file, it might simply be the BOOT.INI file on the root of the C: drive that is configured incorrectly
- Insert and boot from your WindowsXP CD.
- At the first R=Repair option, press the R key.
- Press the number that corresponds to the correct location for the installation of Windows you want to repair. Typically this will be #1.
- Type bootcfg /list to show the current entries in the BOOT.INI file.
- Type bootcfg /rebuild to repair it.
- Take out the CD ROM and type exit.

NTLDR or NTDETECT.com Not Found
If you get an error that NTLDR is not found during boot-up. If you have FAT32 partitions, it is much simpler than with NTFS. Just boot with a Win98 floppy and copy the NTLDR or NTDETECT.COM files from the i386 directory to the root of the C:\ drive.
For NTFS:
- Insert and boot from your WindowsXP CD.
- At the first R=Repair option, press the R key
- Press the number that corresponds to the correct location for the installation of Windows you want to repair. Typically this will be #1
- Enter in the administrator password when requested
- Enter in the following commands (X: is replaced by the actual drive letter that is assigned to the CD ROM drive. COPY X:\i386\NTLDR C\: COPY X:\i386\NTDETECT.COM C:\
- Take out the CD ROM and type exit

Hiding the Last User Logged On
If you use the standard NT style of login and want to hide the last user:
- Start the Group Policy Editor (gpedit.msc)
- Go to Computer Configuration / Windows Settings / Security Settings / Local Policies / Security Options
- Scroll down to Interactive logon: Do not display last user name
- Set it to Enable

Stop Password Expiration
If you want to do this for all users, enter:
- Start / Run / net accounts /maxpwage:unlimited
If you are getting an error message that your password is about to expire:
- Right click on the My Computer icon
- Select Manage
- Go to Local Users and Groups / Users
- Right-click on the user you want to change
- Select Properties
- On the General tab, check Password never expires
- Click OK

Spell Check Not Working With Outlook Express and Office97
This is simply due to a missing or corrupted DLL file
- Go to the i386 directory of your XP source files
- Run Expand csapi3t1.dl_ csapi3t1.dll (Note: If your source files are on a CD, you will need to put a path before the csapi3t1.dll since you can't write to the CD).
- Copy the file to the Program Files\Common Files\Microsoft Shared\Proof director

Changing Drive Letters
If you want to change the letters assigned to your fixed or removable drives:
- Right Click on My Computer
- Select Manage
- Select Disk Management
For a Fixed Disk:
- Select it
- Right click
- Select Change Drive Letter and Path
- Click on the Edit button
- Enter in the letter you want to use
For a Removable Disk:
- In the lower, right hand panel, right click on the Disk or CD ROM #
- Select Change Drive Letter and Path
- Click on the Edit button
- Enter in the letter you want to use
Note:
This can only be done for drives that do not have the Operating System Installed or you are booting to.

Changing the Default DOS Window Properties
If you want to change the default DOS windows properties like:
- Open up a DOS window
- Right click on the Title Bar
- Select Defaults
- Make any of the changes you like
- All subsequent DOS windows will assume these defaults

Opening a Command Prompt to a Particular Directory from Explorer
If you want to open a command prompt to a directory that is selected in the Explorer:
- Start Regedit
- Go to HKEY_CLASSES_ROOT \ Directory \ shell
- Create a new key called Command
- Give it the value of the name you want to appear in the Explorer. Something like Open DOS Box
- Under this create a new key called command
- Give it a value of cmd.exe /k "cd %L"
- Now when you are in the Explorer, right click on a folder, select Open DOS Box, and a command prompt will open to the selected directory.

Turning Off the Firewall
If you want to turn off the firewall for your computer:
- Go to Start / Settings / Network Connections
- Right click on the network connection you want to change
- Select Properties
- Click on the Advanced tab
- Uncheck the box in Internet Connection Firewall
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