Why cannot I install some software? Is the installscript engine missing on the computer?

Reinstall the installscript Engine
To reinstall the installscript engine from InstallShield developer, follow these steps: 1. Click Start, click program, point to attachment, and then click windows Resource Manager ".
2. Open the following folder: C:/program files/InstallShield/developer/redist/language independent/i386.
3. Double-click "isscrpt. MSI ".
4. Follow the instructions on the screen.

Run installer from Virtual Drive
If you run the installer from a Virtual Drive created using the SUBST command, you can delete the Virtual Drive and run the installer from the physical hard disk. To delete a Virtual Drive, click Start, click Run, type SUBST drive_letter:/d, and click OK ".

Register idriver and msiexec
To register idriver and msiexec, follow these steps: 1. click Start, click Run, type C:/program files/common files/InstallShield/developer/7/Intel 32/idriver.exe/regserver, and then click OK ".
2. Click Start, click Run, type C:/Windows/system32/msiexec.exe/regserver, and click OK ".

Change permissions
Log on to Windows XP using the Administrator account to verify that you have the correct permissions on the C:/Windows/installer folder. Follow these steps: 1. Click Start, click program, point to attachment, and then click windows Resource Manager ".
2. Click "Folder Options" on the "Tools" menu ".
3. Click the view tab.
4. Click Show all files and folders, and then click OK ".
5. Locate the folder C:/Windows/installer.
6. Right-click the installer folder and click "properties ".
7. Click the Security tab.
8. Click "system" and verify that the "full control" check box is selected.
9. Click "Administrators" and verify that the "full control" check box is selected.
10. Click your username and verify that the "full control" check box is selected.

Stop other Windows Installer instances
To stop other Windows Installer instances, follow these steps: 1. Right-click the taskbar and click "Task Manager ".
2. Click the process tab.
3. In the entire process, click "msiexec.exe", and then click "End Process ".
4. Click "yes ".
5. Repeat Steps 3 and 4 for each instance of msiexec.exe.
6. Disable task manager ".

If none of the above are used, you have to reinstall Windows XP.

There is another way

Isscript. MSI is a system file required to install patches.
You can try the following methods:
1. Open the C:/program files/common files/InstallShield/driver directory.

2. delete other directories in the directory

3. Clear other directories in the C:/program files/common files/InstallShield/professional/runtime/directory.

4. Download and install in sequence:
Http://support.installshield.com/kb/files/Q108322/IkernelUpdate.exe
Http://support.installshield.com/kb/files/Q108322/ISScript7x.zip
Http://support.installshield.com/kb/files/Q108322/ISScript8.zip
Http://support.installshield.com/kb/files/Q108322/ISScript10.zip
Http://support.installshield.com/kb/files/Q108322/ISScript101.zip
Http://support.installshield.com/kb/files/Q108322/ISScript1050.zip
Http://support.installshield.com/kb/files/Q108322/ISScript11.zip

5. After that, enter services. MSC in the Start menu and press Enter. Select to automatically execute the install drive table Manager Service and enable it.

Or under www.microsoft.com/china!

Isscript. MSI is a patch for installation. You can download it separately! Or Download Windows Installer