I have the same problem. Open a saved group and several different windows but no group Here is the notepad output (help appreciated):
[GroupyEntry1]
OwnerProcess=C:\Program Files (x86)\Google\Chrome\Application\chrome.exe
RunElevated=0
NoPatternMatching=0
CommandLine=
WorkingDirectory=C:\Program Files (x86)\Google\Chrome\Application
Target=C:\Program Files (x86)\Google\Chrome\Application\chrome.exe
MatchingClass=Chrome_WidgetWin_1
[GroupyEntry2]
OwnerProcess=C:\Program Files (x86)\Microsoft\Skype for Desktop\Skype.exe
RunElevated=0
NoPatternMatching=0
CommandLine=
WorkingDirectory=C:\Program Files (x86)\Microsoft\Skype for Desktop
Target=C:\Program Files (x86)\Microsoft\Skype for Desktop\Skype.exe
MatchingClass=Chrome_WidgetWin_1
[GroupyEntry3]
OwnerProcess=C:\Users\me\AppData\Local\WhatsApp\app-0.3.5148\WhatsApp.exe
RunElevated=0
NoPatternMatching=0
CommandLine=
WorkingDirectory=C:\Users\me\AppData\Local\WhatsApp\app-0.3.5148
Target=C:\Users\me\AppData\Local\WhatsApp\app-0.3.5148\WhatsApp.exe
MatchingClass=Chrome_WidgetWin_1
[GroupyEntry4]
OwnerProcess=C:\Users\me\AppData\Local\Discord\app-0.0.305\Discord.exe
RunElevated=0
NoPatternMatching=0
CommandLine=
WorkingDirectory=C:\Users\me\AppData\Local\Discord\app-0.0.305
Target=C:\Users\me\AppData\Local\Discord\app-0.0.305\Discord.exe
MatchingClass=Chrome_WidgetWin_1
[GroupyEntry5]
OwnerProcess=C:\Program Files\Mailbird\Mailbird.exe
RunElevated=0
NoPatternMatching=0
CommandLine="startup"
WorkingDirectory=C:\Program Files\Mailbird
Target=C:\Program Files\Mailbird\Mailbird.exe
MatchingClass=HwndWrapper[Mailbird.exe;;061c6a81-ed5f-43d8-8131-150dd5699b42]
[Group]
GroupCount=5
GroupLeft=599
GroupTop=152
GroupRight=1539
GroupBottom=812
GroupMax=0