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Common PowerSCADA Expert Installation/Uninstallation issues

Published date: 10 June 2020

It is possible a user can experience various errors when installing PowerSCADA Expert (PSE). See one example below:

"Request:RegisterAssemblies fail at function call:
RunExecutableWithReturn in broker:

Product Line
PowerSCADA Expert 7.4
PowerSCADA Expert 8.x

PowerSCADA Expert Installation/Uninstallation

These errors may be the result of a (previous) partial installation/uninstallation in which case remnants of PSE still exists on the machine.

*Warning: This article contains information about editing the registry. Improper changes to the registry can permanently damage the operating system. Always backup the registry before making any changes.* 

If issues are experienced when uninstalling then attempting to install a new PowerSCADA Expert version, please try the attached batch files.
Note: Run (double-click) the respective batch file of the PSE version which was previously uninstalled.

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