Installing and uninstalling programs in a Windows system is very easy, and general users can be easily completed by installing and uninstalling program wizards. But installation and uninstalling the Windows program has some little-known tips, using the Rundll32 command to install and uninstall the Windows program is one of them, maybe you have never been touched, let's experience its magical function together!
Tip: Rundll32.exe is a command provided by the Windows system that calls 32-bit DLL functions (16-bit DLL files are called by Rundll.exe). The DLL file is the foundation of Windows. All the API functions are implemented in the DLL. It cannot be run independently. It is generally loaded and called. The easiest way to run the DLL file is to use Rundll32.exe, its command format is " Rundll32.exe dynamic link library name function name parameter name ".
11 Uninstall Microsoft Java Virtual Machine
In the Windows system, you must want the IE browser to execute a web page with Java applets, you must install Microsoft Java Virtual Machine (MSJVM), Windows 98/2000 has been bundled with MSJVM, and Although Microsoft Java Virtual Machines have been stripped in Windows XP / 2003 But it is still possible to install. However, there is a reality we have to face: Since Microsoft and Sun's Mandarin, Microsoft has stopped developing MSJVM, so many users have changed the Java virtual machine provided by Sun. But Microsoft does not provide MSJVM uninstall tools, using the Rundll32 command, we can easily uninstall MSJVM.
Click Start → Run command, enter "RunfSECTION Java.dll, Launch" in the "Run" dialog box, and the system will open the Microsoft VM Uninstall dialog, click "after entering bus. Y) "After the button, the system will begin to uninstall the Microsoft Java virtual machine, and the system needs to be restarted after the uninstallation is complete.
Next, "% systemroot%" (ie Windows installation directory, Windows 2000 system is Winnt directory, Windows XP / 2003 is a "% systemroot% / inf" java.pnf file, And the JView.exe file and WJView.exe file under "% systemroot% / system32". Finally open the registry editor, expand the [HKEY_LOCAL_MACHINE / SOFTWARE / Microsoft / JavaVM] branch and the [HKEY_LOCAL_MACHINE / SOFTWARE / Microsoft / Internet Explorer / AdvanceDOptions / Java_VM] branch, delete all sub-keys under these two branches.
Tip: The above method does not apply to Windows 98 systems.
2. Reinstall the IE6.0 of Windows XP
There are many vulnerabilities in the Windows system of IE, which is most prone to problems. Sometimes I can't resolve, I can only reinstall it. Using the Rundll32 command can easily complete the reinstallation work. We use IE6.0 in Windows XP as an example:
First insert the Windows XP CD into the CD-ROM, then click the Start → Run command, enter "Run" dialog box "RunfaultInstall 132 C: /Windows/infaultinstall 132 C: /Windows/inf /ie.inf" command in the "Run" dialog box, enter the system Will open the installation process dialog and start reinstall IE6.0.
Tip: If your Windows XP system is not installed in the C drive, change "c\windows \f \IE.inf" to "% systemroot% \Inf \ie.inf". 3. Uninstall Windows Messenger
There are many ways to uninstall Windows Messenger. The most commonly used is to modify the "sysoc.inf" file, but this method is more complicated, using the Rundll32 command to easily complete the uninstall:
First, make sure that Outlook and IE are closed, and then click Start → Run, enter "Rundll32 AdvPack.dll, launchinfsection% Windir% / INF / MSMSGS.INF in the" Run "dialog box. The BLC.Remove "command, the system will open a uninstall dialog after entering the bus, click" Yes "button, the system starts uninstalling the Windows Messenger program.
The above is just a brief introduction how to use the Rundll32 command to uninstall and install several instances of the Windows program, and many of the Windows programs installation and uninstall can use this method, no longer detail, please slowly experience.