Try "When Mapped" mode for the Backing Store option. Follow the procedure below:
1. Run Xconfig.
2. Open Default Profile.
3. Click the Advanced tab.
4. In the Backing Store option, Choose When Mapped.
5. Click OK.
6. Restart Xmanager.
If you problem persists, please tell us following information:
1. Any change on Xmanager setting since the upgrade.
2. Any graphic related change on Cadds 5i since Rev 9.
3. If there is any way we can get the evaluation copy of Cadds 5i Rev 13.