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Help ▪ Issues ▪ Error while opening the Editor window
Nicke Manarin edited this page Jun 21, 2020
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For some users with Windows 7 (SP1)
machines, the app crashes while opening the Editor window (right after the recording, for example), with messages like these:
Provide value on 'System.Windows.Markup.StaticExtension' threw an exception.
Keeping it short, this issue is caused by a faulty .Net Framework 4.7.1 update.
And if looked deeper, this shows up:
No FontFamily element found in FontFamilyCollection that matches current OS or greater: Windows7SP1
It means that the problem is related to a missing font resource.
Microsoft released a fix for this bug, you can take a look here:
https://github.com/dotnet/announcements/issues/53
Basically, you'll have to uninstall the faulty update or you'll have to run a tool to fix the issue for you..
- Microsoft Windows 7 SP1/8.1/10/11
- .NET 6 (Desktop Runtime) or newer.
- Visual Studio 2022
- .NET 6