Microsoft has confirmed that .NET Framework updates released with the August 2026 Patch Tuesday are causing printing and PDF export problems in some Windows applications. The issue affects apps built with Windows Presentation Foundation, or WPF. Microsoft says affected applications can fail with a System.IO.FileFormatException when printing or generating PDF/XPS content that uses certain fonts, [...]
Microsoft has confirmed that .NET Framework updates released with the August 2026 Patch Tuesday are causing printing and PDF export problems in some Windows applications. The issue affects apps built with Windows Presentation Foundation, or WPF. Microsoft says affected applications can fail with a System.IO.FileFormatException when printing or generating PDF/XPS content that uses certain fonts, [...]This article was originally published by Onmsft.
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