ISSUE SCOPE: A user running Windows 7.1 has reported an error that occurs on opening Castaway:
The invocation of the constructor on type 'Castaway.Gui.Components.Editors.FsRichTextBox' that matches the specified binding constraints threw an exception
EXPLANATION: This error is caused by a known issue that Microsoft has described in https://github.com/dotnet/announcements/issues/53
Essentially, there was a problem with the .NET Framework January 2018 Security and Quality Rollup (KB 4055002) released by Microsoft. This rollup was later fixed and re-released as KB 4074880.
SOLUTION: Microsoft sets out 3 options to fix this problem. They recommend using Option 1 first. If that does not succeed, they then recommend trying Options 2 and/or 3. The article provides more information, but in summary:
- Run Fixit tool for KB4074906
- Download the tool from here: Microsoft Fixit tool
- Download the tool from here: Microsoft Fixit tool
- Uninstall and re-install the January 2018 Monthly Rollup
- See the article for detailed instructions
- See the article for detailed instructions
- Manually replace the GlobalUserInterface.CompositeFont
- Download the missing font file from: Microsoft font download
- Paste it to C:\Windows\Microsoft.NET\Framework\v4.0.30319\WPF\Fonts
- (NB you may need to login as administrator to do this)
If you encounter this error and cannot resolve it using any of these options, please contact our support team.
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