Error 26011: Unpacking rt failed

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Applies to:
Windows 2000, Windows XP, Vista
Browser(s):
Internet Explorer 6.x, Internet Explorer 7.x
JRE version(s):
6.0, 6u10+

Description:
While Java software installation is in progress, a message box with the following error appears:
Error 26011: Unpacking rt failed.

Cause:
Error 26011 is an InstallShield error code. It indicates that the installation process has failed.
This error can occur if a user is trying to install Java software on a drive having insufficient disk space. We are still investigating the root cause of the issue.

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  1. admin
    March 20th, 2009 at 10:28 | #1

    The installer requires about 100 MB of free disk space to expand in order to complete your Java software installation. Delete files that you do not need from your C: drive (or whichever drive you are installing to), in order to create sufficient free space for the Java software installation.

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