Platform(s): Windows 2000 (SP4+), Windows XP (SP1 SP2), Vista, Windows 2003
JRE version(s): 1.4.2_xx, 1.5.0, 6.0
SYMPTOMS
During installation of the JRE from Java.com, a dialog box appears displaying Error 1500, Another installation is in progress
CAUSE
This is a general MSI (Microsoft Installer) install error message resulting into failure of JRE installation process.
The cause of this error could be:
Two MSI based installers running at the same time. The MSI engine will not allow this.
In-Progress key left behind if an earlier installation attempt is cancelled forcibly via the Task Manager (Ctrl+Alt+Del) during a transaction/installation process.
SOLUTION
Restart the system and Download/Install using offline option by clicking below link:
Windows Offline Installation
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