LaunchBox launching error

[rfederer]

Object reference not set to an instance of an object.

App:     LaunchBox
Version: 13.20
Theme:   Default
Type:    System.NullReferenceException
Site:    System.Collections.Generic.Dictionary`2[System.String,System.String] GetInstalledAppIds()
Source:  Unbroken.LaunchBox.Windows

   at Unbroken.LaunchBox.Windows.Integrations.Gog.Gog.GetInstalledAppIds()
   at Unbroken.LaunchBox.Windows.Desktop.Processes.Scanning.ScanForInstalledGames()
   at MerchantVisitor.RunInvalidIndexer(MerchantVisitor)
   at LaunchBox.Visitors.StateService.CancelMultipartRecord(Boolean& reference)
   at PolicyInfo.RunInvalidIndexer(Boolean& reference, PolicyInfo)
   at Unbroken.LaunchBox.Windows.Desktop.App..ctor()
   at Unbroken.LaunchBox.Windows.Desktop.Program.Main(String[] args)

Recent Log:

   10:25:12 Exception

>>>>>
- Windows 10
- I uninstalled LaunchBox
- I ran Ccleaner
- I deleted all the registry keys still present
- I reinstalled, and when launching the software, the error still appears
Please, can you help me?