The same thing applies to StableBit CloudDrive 1.0.3.980. This is fixed in 1.0.3.981.
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Alex
* [Issue #27785] Fixed upgrade problem with installer.
If you've installed .907 or .908, upgrading to .909 will not fix the installation issue unfortunately. You will need to uninstall .907 or .908, reboot, install .909 (and reboot if prompted).