Can't check and save the profile option to "Postpone Windows Automatic Updates", it will keep unchecked in any of the 3 profile Configuration dialogue boxes, and doesn't postpone the windows automatic updates.
This happens in Windows 7 64bit Professional Laptop with the version 18.22.0.1521 of Antivirus Plus 2015.
To recreate this issue
Open the BitDefender interface
Go to Tools > Profiles
Click "Configure" next to any of the 3 profiles
Check Postpone windows automatic updates
Click "Save"
Close the BitDefender interface
Re-open the interface and return to the previous Configure dialogue. The Postpone windows automatic updates will be unchecked.