Sandboxie was unable to use the purchase certificate to retrieve the keys at the time of purchase due to the re-installation of Win10.
[locked by: Barb@Sbie at 2:01 PM (GMT -7) on 20 May 2019]
Hi 洋 张,
Please refer to:
[SOLVED] - Activation Failed
If you have questions regarding your license, then please email support@sandboxie.com
Thank you!