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SEPprep works on all supported Windows SEP client operating systems (both 32-bit and 64-bit). Therefore you can configure this tool to first remove all competitive products (including Symantec & Norton products) and then launch the SEP installer automatically and silently. This tool can also launch another application before or after removing all competitive products. How to uninstall the Symantec Endpoint Protection Client using the Microsoft Installer (MSI) command line interface.SEPprep is a unsupported tool that is designed to uninstall any competitive product automatically. Repeat this task for each instance of "msiexec.exe" listed.
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Click End Process for all of the running windows installer processes by: Right-clicking on msiexec.exe then clicking End Process.Note: If the MSI uninstall has stopped responding:
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