Index: /trunk/src/VBox/Frontends/VirtualBox/src/UIVMLogViewer.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/UIVMLogViewer.cpp	(revision 61960)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/UIVMLogViewer.cpp	(revision 61961)
@@ -26,4 +26,7 @@
 # include <QDir>
 # include <QFileDialog>
+#if defined(RT_OS_SOLARIS)
+#  include <QFontDatabase>
+# endif
 # include <QKeyEvent>
 # include <QLabel>
@@ -1177,6 +1180,11 @@
         {
             /* Configure Log-Viewer: */
+#if defined(RT_OS_SOLARIS)
+            /* Use system fixed-width font on Solaris hosts as the Courier family fonts don't render well. */
+            QFont font = QFontDatabase::systemFont(QFontDatabase::FixedFont);
+#else
             QFont font = pLogViewer->currentFont();
             font.setFamily("Courier New,courier");
+#endif
             pLogViewer->setFont(font);
             pLogViewer->setWordWrapMode(QTextOption::NoWrap);