Little-known install and uninstall skill, Using Rundll32

In Windows system, install and uninstall program is a very easy thing, the general users can install and uninstall wizard is easy to complete. However, installing and uninstalling Windows programs also some little-known tips, using the Rundll32 command to install and uninstall Windows program is one of them, may never have not contacted you, here we can truly experience the magic of its functions it!

Tip: Rundll32.exe is a Windows system command, which used to call the 32-bit DLL function (16-bit DLL file with Rundll.exe to call. DLL files are Windows based, all the API functions are implemented in the DLL, It can not operate independently, usually by the process load and call DLL file to run the simplest way is to use Rundll32.exe, its command format is “Rundll32.exe dynamic link library name function name parameter name.”

1. Uninstall the Microsoft Java Virtual Machine

In Windows systems, to the implementation of IE browser, the page that contains Java applets, you must install the Microsoft Java Virtual Machine (MSJVM), Windows 98/2000 has been bundled with MSJVM, Windows XP/2003 Although the company has been stripped of Java Virtual Machine , but can still manually install. However, there is a reality we have to face: As Microsoft and SUN’s infighting, Microsoft has stopped development on the MSJVM, so many users to switch to SUN Java Virtual Machine provided by the company. But Microsoft did not provide MSJVM uninstall tool, using Rundll32 commands, we can easily uninstall the MSJVM.

Click the “Start → Run” command, in the “Run” dialog box, type “RunDll32 advpack.dll, LaunchINFSection java.inf, UnInstall”, Enter the system will open the “Microsoft VM uninstall” dialog box, click “Yes ( Y) “button, the system will begin to uninstall the Microsoft Java Virtual Machine, the uninstall is completed need to re-boot the system.

Then delete the “% systemroot%” (ie Windows installation directory, Windows 2000 system Winnt directory, Windows XP/2003 for the Windows directory) under the Java folder; “% systemroot% \ inf” file under the java.pnf, and “% systemroot% \ system32″ files and wjview.exe jview.exe under file. Finally open the Registry Editor, expand [HKEY_LOCAL_

MACHINE \ SOFTWARE \ Microsoft \ JavaVM] branch and the [HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Internet Explorer \ AdvancedOptions \ JAVA_VM] branch, remove the two branches of all the sub keys under.

Tip: The above method does not apply Windows 98 system.

2. Re-install IE6.0 of Windows XP

Windows system, a lot of IE browser vulnerabilities, the most prone to problems. Sometimes they can not only be re-installed. Use Rundll32 command can easily complete the re-installation. We re-install Windows XP, IE6.0 example:

First, the Windows XP CD into the drive, then click “Start → Run” command, in the “Run” dialog box, type “Rundll32 setupapi, InstallHinfSection DefaultInstall 132 C: \ windows \ inf \ ie.inf” command, after the system Enter dialog box will open the installation process, start to re-install IE6.0.

Tip: If your Windows XP system is not installed on the C drive, set the “C  \ Windows \ Inf \ Ie.inf” revised to “% systemroot% \ inf \ ie.inf”.

3. Uninstall Windows Messenger

Many ways to uninstall Windows Messenger, the most commonly used is the modified “Sysoc.inf” file, but this method is more complicated, use the command Rundll32 can easily complete the uninstall:

First of all, to ensure that Outlook and IE has been closed and other components of Windows comes with, and then click “Start → Run” in the “Run” dialog box, type “RunDll32 advpack.dll, LaunchINFSection% windir% \ inf \ msmsgs.inf , BLC.Remove “command, the system will open a carriage return after the uninstall dialog box, click” Yes (Y) “button, the system began to uninstall Windows Messenger program.

More than simply how to use Rundll32 command to uninstall and install several instances of Windows programs, there are many Windows programs you can install and uninstall using this method is no longer described in detail, please understand slowly.