ISScript.msi error

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cornman

I can't install or uninstall anything on my computer, it was working fine yesterday, now it says I have to install the latest ISScript.msi engine but it wont let me delete the old one, it says access is denied or it can't read from the disk. What should I do?

TopgunZX

To fix this issue, you need to determine the version number of the IsScript engine you need, download it, and install it.

1.
Right-click on the installation file that you are trying to install and select Properties.
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The typical names for installation files are setup.exe, update.exe, installer.exe, etc.
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Your installation file can be found on the CD where you are running the setup from.
2.
In the Properties dialog, click on the Version tab.
3.
Look at the File Version field to determine the version number of the IsScript engine you need:
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If the file version number is 2.0x or less, download the IKernel engine and install it on your computer.
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Delete the folder C:\Program Files\Common Files\InstallShield\engine from the machine.
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Once downloaded, double-click it. This installs the IKernel engine, which should fix the issue.
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If the file version number starts with 7, download the following ISScript.msi file and install it on your computer.
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Delete the folder C:\Program Files\Common Files\InstallShield\Driver\7 from the machine.
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Unzip the above file using the WinZip utility.
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Double-click the IsScript.msi file. This installs the IsScript engine, which should fix the issue.
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If the file version number starts with 8, download the following IsScript8.msi file and install it on your computer.
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Delete the folder C:\Program Files\Common Files\InstallShield\Driver\8 from the machine.
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Unzip the above file using the WinZip utility.
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Double-click the IsScript8.msi file. This installs the IsScript engine, which should fix the issue.
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If the file version number starts with 9, download the following IsScript9.msi file and install it on your computer.
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Delete the folder C:\Program Files\Common Files\InstallShield\Driver\9 from the machine.
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Unzip the above file using the WinZip utility.
o
Double-click the IsScript9.msi file. This installs the IsScript engine, which should fix the issue.
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If the file version number starts with 9.5 , download the following IsScript10.msi file and install it on your computer.
o
Delete the folder C:\Program Files\Common Files\InstallShield\Driver\10 from the machine.
o
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Unzip the above file using the WinZip utility.
o
Double-click the IsScript9.msi file. This installs the IsScript engine, which should fix the issue.
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If the file version number starts with 10 , download the following IsScript10.msi file and install it on your computer.
o
Delete the folder C:\Program Files\Common Files\InstallShield\Driver\10 from the machine.
o
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Unzip the above file using the WinZip utility.
o
Double-click the IsScript9.msi file. This installs the IsScript engine, which should fix the issue.
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If the file version number starts with 10.5 , download the following IsScript1050.msi file and install it on your computer.
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Delete the folder C:\Program Files\Common Files\InstallShield\Driver\1050 from the machine.
o
o
Unzip the above file using the WinZip utility.
o
Double-click the IsScript9.msi file. This installs the IsScript engine, which should fix the issue.
*
If the file version number starts with 11 , download the following IsScript11.msi file and install it on your computer.
o
Delete the folder C:\Program Files\Common Files\InstallShield\Driver\11 from the machine.
o
o
Unzip the above file using the WinZip utility.
o
Double-click the IsScript9.msi file. This installs the IsScript engine, which should fix the issue.

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