NSIS: Wait for the uninstaller to finish #2184
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When there is an existing installation and the user chose to uninstall, wait for the uninstaller to finish. Normal ExecWait doesn't work because by default the uninstaller spawns a new process. This also exits the installation if the uninstall fails.
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cculianu
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When there is an existing installation and the user chose to uninstall, wait for the uninstaller to finish. Normal
ExecWaitdoesn't work because by default the uninstaller spawns a new process. This also exits the installation if the uninstall fails.