Also it is able to scan a system before and after an application's installation and create a portable executable based upon changes made to the systems files and registry. msi files into self-contained EXE files, which includes everything required to run. ThinApp converts standard application installers such as. ThinApp does not have any pre-installed components and does not require the installation of device drivers allowing applications to run from USB flash drives or network shares without ever requiring Administrator rights. The virtual environment presented to the client is a merged view of the underlying physical and virtual resources, thereby allowing the virtualization layer to fool the application into thinking that it is running as if it were fully installed.

ThinApp is able to execute applications without them being installed in the traditional sense by virtualizing resources such as environment variables, files and Windows Registry keys.

VMware ThinApp provides application virtualization. The trial version of Thinstall was initially available only to corporations, then VMware offered a public trial version. On June 10, 2008, VMware announced that the final name for the product was going to be VMware ThinApp. VMware later used the code name VMware Project North Star while the product was in beta. and was acquired by VMware on January 15, 2008. ThinApp (previously known as Thinstall) was originally developed by Jitit Inc. According to VMware, the product has a success rate of about 90–95% in packaging applications. VMware ThinApp (formerly Thinstall) is an application virtualization and portable application creator suite by VMware that can package conventional Windows applications so that they become portable applications by running on another operating system. (previously Windows XP and Windows Server 2003)

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