Installer Detection
With the introduction of the MSI installer there is an issue in the NSIS-generated installer.
Both MSI and NSIS installers should install the application under the same name and UID.
Behaviour of the MSI installer:
- If there's Datovka installed via NSIS installer then the user is notified that he should uninstall Datovka manually and the installation is aborted.
- It there's Datovka installed vis MSI installer then the application is uninstalled and then the installer proceeds with the installation.
Currently the NSIS installer does not detect the application if it is installed using the MSI installer.