VXDIAG Update License Failed Error 805 Solution

Here comes the problem: I've downloaded the newer version vx manager 1.8.6 and tried to renew the license of vxdiag full multi brand device, it failed me and now all licenses are blank.

Error"

Update License failed, retry. Error info 805 database error occurred. "

VXdiagshop.com solution:

If update vx magager to a new version, DON'T FORGET to update the firmware as well. 

Click on Firmware to run an upgrade.

Then update license after firmware upgrade is completed.