diff -r 830d1f4eb517 -r 0d0bf0533eee QTfrontend/pages.cpp
--- a/QTfrontend/pages.cpp	Mon Nov 01 17:12:32 2010 -0400
+++ b/QTfrontend/pages.cpp	Mon Nov 01 17:58:59 2010 -0400
@@ -611,12 +611,11 @@
             CBAutoUpdate->setText(QCheckBox::tr("Check for updates at startup"));
             MiscLayout->addWidget(CBAutoUpdate, 4, 0, 1, 2);
 #endif
-#ifdef _WIN32
             BtnAssociateFiles = new QPushButton(groupMisc);
             BtnAssociateFiles->setText(QPushButton::tr("Associate file extensions"));
             BtnAssociateFiles->setEnabled(!custom_data && !custom_config);
             MiscLayout->addWidget(BtnAssociateFiles, 4, 0, 1, 2);
-#endif
+
             gbTBLayout->addWidget(groupMisc, 2, 0);
         }