WI-Hilton-Save-Licenses
The following Operating Systems are not certified to work with the current FTS Server:
XP Home
Microsoft Vista Home
If that’s not the issue then try the fix below.
From your computer desktop - Select Start – Run then type in the Run window regedit and enter
Under My Computer
Select + the next to HKey_Local_Machine
Select the + next to Software
Select the + next to Microsoft
Select the + next to MSlicensing
Select the + next to Store
Highlight License then right Click on License and select Export then save to your desktop as abclicense.
Right click on License again and select delete
Then try to log into ABC.
If you are able to log back in then go to the desktop and delete abclicense