diff -Naur kdelibs-4.6.0.ori/kdecore/services/kmimetyperepository.cpp kdelibs-4.6.0/kdecore/services/kmimetyperepository.cpp
--- kdelibs-4.6.0.ori/kdecore/services/kmimetyperepository.cpp	2011-01-19 17:10:02.000000000 -0500
+++ kdelibs-4.6.0/kdecore/services/kmimetyperepository.cpp	2011-02-02 13:15:52.796666669 -0500
@@ -27,7 +27,6 @@
 #include <klocale.h>
 #include "kfoldermimetype.h"
 #include <QFile>
-#include <QProcess>
 
 extern int servicesDebugArea();
 
@@ -687,19 +686,17 @@
 {
     m_mutex.lockForWrite();
     if (m_sharedMimeInfoVersion == 0) {
-        QProcess smi;
-        const QString umd = KStandardDirs::findExe(QString::fromLatin1("update-mime-database"));
-        if (umd.isEmpty()) {
-            kWarning() << "update-mime-database not found!";
+        QFile file (KStandardDirs::findExe(QString::fromLatin1("update-mime-database")));
+        if (!file.open(QIODevice::ReadOnly)) {
+            kWarning() << "update-mime-database not found or not readable!";
             m_sharedMimeInfoVersion = -1;
         } else {
-            smi.start(umd, QStringList() << QString::fromLatin1("-v"));
-            smi.waitForStarted();
-            smi.waitForFinished();
-            const QString out = QString::fromLocal8Bit(smi.readAllStandardError());
+            const QString out = QString::fromLocal8Bit(file.readAll().replace('\0', ""));
+            file.close();
             QRegExp versionRe(QString::fromLatin1("update-mime-database \\(shared-mime-info\\) (\\d+)\\.(\\d+)(\\.(\\d+))?"));
             if (versionRe.indexIn(out) > -1) {
                 m_sharedMimeInfoVersion = KDE_MAKE_VERSION(versionRe.cap(1).toInt(), versionRe.cap(2).toInt(), versionRe.cap(4).toInt());
+                kWarning() << "Version of update-mime-database:" << m_sharedMimeInfoVersion;
             } else {
                 kWarning() << "Unexpected version scheme from update-mime-database -v: got" << out;
                 m_sharedMimeInfoVersion = -1;