Set and Remove startup password of windows(for XP)

To set Password:

1. Go to Following path:
    My Computer-> C:\->Windows-> System32
2. Open Syskey then click Ok.
3. (Expression enable)Update.
4. Choose Password startup.
5. Type password and retype for confirm password.(don't forget the Password)
6. Click Ok twice.
7. Restart Computer.

To Remove password:

1. Go to Following path:
    My Computer-> C:\->Windows-> System32
2. Open Syskey.
3. Update.
4. Choose System Generate Password then click Ok.

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How to create a folder with password protected without any softwere(for Xp)

1. Create a folder of  any name.(For instance create a folder in desktop with named 'picture'.)
2. Open Notepad and type the following code:
    ren folder_name folder_name.{2227A280-3AEA-1069-A2DE-08002B30309D}
3. Click File then select SaveAs.
4. Save the file in same directory where folder located and the file with any_name.bat (Here lock.bat) and select save type "All(*.*).
5. Create a another notepad file and type following code:
    ren folder _name.{2227A280-3AEA-1069-A2DE-08002B30309D} folder_name and save as above procedure with different name.(Here key.bat)
6. Click loc.bat.(The icon of the folder will change and the folder will be locked.)
7. To unlock click key.bat. 

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Create a ultra hidden folder(Xp, 7)

1. Create a folder.
2. Right click on it and select Rename.

3. Type "Alt+0160"(Note: Use numeric keypad to press number) then press Enter.

Ahter press Enter 

4. Right click on the folder and select Properties.
5. Click Customize tab.

6. Click on Change icon.

7. Select a Blank icon then click Ok.

8. Click Apply then click Ok.

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Restrict user to open any drive of your computer (xp, 7)

1.      Open registry editor(+R)

2.      Go to following path

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer

3.      Create a new Dword value and type the name NoViewOnDrive.

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