--- a/src/eric7/Preferences/ConfigurationPages/WebBrowserPage.py Thu May 25 11:12:05 2023 +0200 +++ b/src/eric7/Preferences/ConfigurationPages/WebBrowserPage.py Thu May 25 19:51:47 2023 +0200 @@ -107,13 +107,7 @@ ) self.pluginsGroup.setChecked(Preferences.getWebBrowser("PluginsEnabled")) - try: - # Qt 5.13 - self.pdfViewerCheckBox.setChecked( - Preferences.getWebBrowser("PdfViewerEnabled") - ) - except KeyError: - self.pdfViewerCheckBox.setEnabled(False) + self.pdfViewerCheckBox.setChecked(Preferences.getWebBrowser("PdfViewerEnabled")) self.diskCacheCheckBox.setChecked(Preferences.getWebBrowser("DiskCacheEnabled")) self.cacheSizeSpinBox.setValue(Preferences.getWebBrowser("DiskCacheSize"))