def decrypt_execute(self):
    self.freeze_controls()

    try:
        self._cipher = EncryptionTool(
            self._file_url.get(), self._secret_key.get(), self._salt.get()
        )
        for percentage in self._cipher.decrypt():
            if self.should_cancel:
                break
            percentage = "{0:.2f}%".format(percentage)
            self._status.set(percentage)
            self.status_label.update()

        if self.should_cancel:
            self._cipher.abort()
            self._status.set("Cancellation Successful !!")
            messagebox.showinfo("EncrypC", "Cancellation Successful !!")
            self._cipher = None
            self.should_cancel = False
            self.unfreeze_controls()
            return

        self._cipher = None
        self.should_cancel = False
        self._status.set("File Decryption Successful !!")
        messagebox.showinfo("EncrypC", "File Decryption Successful !!")
    except Exception as e:

        self._status.set(e)

    self.unfreeze_controls()