It is possible that some kind of Antivirus system in your device is preventing from the platform to be installed.

Some antiviruses can block the platform’s operation and can even slow the connection speed and block some features.

In this case, you are recommended to deactivate your antivirus during the installation process and to make sure that your Antivirus isn’t blocking any features of cTrader.

Alternatively, you can use cTrader Web for trading which you can use without any installation process.