diff --git a/processcore/CMakeLists.txt b/processcore/CMakeLists.txt
index 9fef4ec..939d055 100644
--- a/processcore/CMakeLists.txt
+++ b/processcore/CMakeLists.txt
@@ -41,18 +41,18 @@ install( FILES processes.h process.h DESTINATION ${INCLUDE_INSTALL_DIR}/ksysguar
 #------ KAuth stuff
 
 # Auth example helper
-# set(ksysguardprocesslist_helper_srcs
-#     helper.cpp
-#     process.cpp
-#     processes_local_p.cpp
-#     processes_base_p.cpp)
-#
-# add_executable(ksysguardprocesslist_helper ${ksysguardprocesslist_helper_srcs})
-# target_link_libraries(ksysguardprocesslist_helper )
-# install(TARGETS ksysguardprocesslist_helper DESTINATION ${LIBEXEC_INSTALL_DIR})
-#
-# kauth_install_helper_files(ksysguardprocesslist_helper org.kde.ksysguard.processlisthelper root)
-# kauth_install_actions(org.kde.ksysguard.processlisthelper actions.actions)
-#
-# set_target_properties(ksysguardprocesslist_helper PROPERTIES COMPILE_FLAGS "-Wall -ggdb")
+set(ksysguardprocesslist_helper_srcs
+    helper.cpp
+    process.cpp
+    processes_local_p.cpp
+    processes_base_p.cpp)
+
+add_executable(ksysguardprocesslist_helper ${ksysguardprocesslist_helper_srcs})
+target_link_libraries(ksysguardprocesslist_helper Qt5::Core KF5::Auth KF5::I18n)
+install(TARGETS ksysguardprocesslist_helper DESTINATION ${KAUTH_HELPER_INSTALL_DIR})
+
+kauth_install_helper_files(ksysguardprocesslist_helper org.kde.ksysguard.processlisthelper root)
+kauth_install_actions(org.kde.ksysguard.processlisthelper actions.actions)
+
+set_target_properties(ksysguardprocesslist_helper PROPERTIES COMPILE_FLAGS "-Wall -ggdb")
 
diff --git a/processcore/helper.cpp b/processcore/helper.cpp
index 6c1f570..c34ab1e 100644
--- a/processcore/helper.cpp
+++ b/processcore/helper.cpp
@@ -23,24 +23,26 @@
 #include "helper.h"
 #include "processes_local_p.h"
 
+using namespace KAuth;
+
 KSysGuardProcessListHelper::KSysGuardProcessListHelper()
 {
     qRegisterMetaType<QList<long long> >();
 }
 
 /* The functions here run as ROOT.  So be careful.  DO NOT TRUST THE INPUTS TO BE SANE. */
-#define GET_PID(i) parameters.value(QString("pid%1").arg(i), -1).toULongLong(); if(pid < 0) return KAuth::ActionReply::HelperErrorReply;
-KAuth::ActionReply KSysGuardProcessListHelper::sendsignal(QVariantMap parameters) {
-    KAuth::ActionReply errorReply(KAuth::ActionReply::HelperError);
+#define GET_PID(i) parameters.value(QString("pid%1").arg(i), -1).toULongLong(); if(pid < 0) return ActionReply(ActionReply::HelperErrorType);
+ActionReply KSysGuardProcessListHelper::sendsignal(QVariantMap parameters) {
+    ActionReply reply(ActionReply::HelperErrorType);
     if(!parameters.contains("signal")) {
-        errorReply.setErrorDescription("Internal error - no signal parameter was passed to the helper");
-        errorReply.setErrorCode(1);
-        return errorReply;
+        reply.setErrorDescription("Internal error - no signal parameter was passed to the helper");
+        reply.setErrorCode(static_cast<ActionReply::Error>(1));
+        return reply;
     }
     if(!parameters.contains("pidcount")) {
-        errorReply.setErrorDescription("Internal error - no pidcount parameter was passed to the helper");
-        errorReply.setErrorCode(2);
-        return errorReply;
+        reply.setErrorDescription("Internal error - no pidcount parameter was passed to the helper");
+        reply.setErrorCode(static_cast<ActionReply::Error>(2));
+        return reply;
     }
 
     KSysGuard::ProcessesLocal processes;
@@ -56,17 +58,17 @@ KAuth::ActionReply KSysGuardProcessListHelper::sendsignal(QVariantMap parameters
         success = successForThisPid && success;
     }
     if(success) {
-        return KAuth::ActionReply::SuccessReply;
+        return ActionReply::SuccessReply();
     } else {
-        errorReply.setErrorDescription(QString("Could not send signal to: ") + errorList.join(", "));
-        errorReply.setErrorCode(0);
-        return errorReply;
+        reply.setErrorDescription(QString("Could not send signal to: ") + errorList.join(", "));
+        reply.setErrorCode(static_cast<ActionReply::Error>(0));
+        return reply;
     }
 }
 
-KAuth::ActionReply KSysGuardProcessListHelper::renice(QVariantMap parameters) {
+ActionReply KSysGuardProcessListHelper::renice(QVariantMap parameters) {
     if(!parameters.contains("nicevalue") || !parameters.contains("pidcount"))
-        return KAuth::ActionReply::HelperErrorReply;
+        return ActionReply(ActionReply::HelperErrorType);
 
     KSysGuard::ProcessesLocal processes;
     int niceValue = qvariant_cast<int>(parameters.value("nicevalue"));
@@ -77,14 +79,14 @@ KAuth::ActionReply KSysGuardProcessListHelper::renice(QVariantMap parameters) {
         success = processes.setNiceness(pid, niceValue) && success;
     }
     if(success)
-        return KAuth::ActionReply::SuccessReply;
+        return ActionReply::SuccessReply();
     else
-        return KAuth::ActionReply::HelperErrorReply;
+        return ActionReply(ActionReply::HelperErrorType);
 }
 
-KAuth::ActionReply KSysGuardProcessListHelper::changeioscheduler(QVariantMap parameters) {
+ActionReply KSysGuardProcessListHelper::changeioscheduler(QVariantMap parameters) {
     if(!parameters.contains("ioScheduler") || !parameters.contains("ioSchedulerPriority") || !parameters.contains("pidcount"))
-        return KAuth::ActionReply::HelperErrorReply;
+        return ActionReply(ActionReply::HelperErrorType);
 
     KSysGuard::ProcessesLocal processes;
     int ioScheduler = qvariant_cast<int>(parameters.value("ioScheduler"));
@@ -96,14 +98,14 @@ KAuth::ActionReply KSysGuardProcessListHelper::changeioscheduler(QVariantMap par
         success = processes.setIoNiceness(pid, ioScheduler, ioSchedulerPriority) && success;
     }
     if(success)
-        return KAuth::ActionReply::SuccessReply;
+        return ActionReply::SuccessReply();
     else
-        return KAuth::ActionReply::HelperErrorReply;
+        return ActionReply(ActionReply::HelperErrorType);
 
 }
-KAuth::ActionReply KSysGuardProcessListHelper::changecpuscheduler(QVariantMap parameters) {
+ActionReply KSysGuardProcessListHelper::changecpuscheduler(QVariantMap parameters) {
     if(!parameters.contains("cpuScheduler") || !parameters.contains("cpuSchedulerPriority") || !parameters.contains("pidcount"))
-        return KAuth::ActionReply::HelperErrorReply;
+        return ActionReply(ActionReply::HelperErrorType);
 
     KSysGuard::ProcessesLocal processes;
     int cpuScheduler = qvariant_cast<int>(parameters.value("cpuScheduler"));
@@ -116,9 +118,9 @@ KAuth::ActionReply KSysGuardProcessListHelper::changecpuscheduler(QVariantMap pa
         success = processes.setScheduler(pid, cpuScheduler, cpuSchedulerPriority) && success;
     }
     if(success)
-        return KAuth::ActionReply::SuccessReply;
+        return ActionReply::SuccessReply();
     else
-        return KAuth::ActionReply::HelperErrorReply;
+        return ActionReply(ActionReply::HelperErrorType);
 
 }
 KAUTH_HELPER_MAIN("org.kde.ksysguard.processlisthelper", KSysGuardProcessListHelper)
diff --git a/processcore/processes_linux_p.cpp b/processcore/processes_linux_p.cpp
index 65b8dfd..0cff0e8 100644
--- a/processcore/processes_linux_p.cpp
+++ b/processcore/processes_linux_p.cpp
@@ -22,7 +22,7 @@
 #include "processes_local_p.h"
 #include "process.h"
 
-#include <klocale.h>
+#include <klocalizedstring.h>
 
 #include <QFile>
 #include <QHash>
diff --git a/processui/ksysguardprocesslist.cpp b/processui/ksysguardprocesslist.cpp
index 1651a0a..ba9d8c9 100644
--- a/processui/ksysguardprocesslist.cpp
+++ b/processui/ksysguardprocesslist.cpp
@@ -48,6 +48,9 @@
 #include <signal.h> //For SIGTERM
 
 #include <kauth.h>
+#include <kauthaction.h>
+#include <kauthactionreply.h>
+#include <kauthobjectdecorator.h>
 #include <klocale.h>
 #include <kmessagebox.h>
 #include <kdialog.h>
@@ -188,7 +191,7 @@ struct KSysGuardProcessListPrivate {
     int totalRowCount(const QModelIndex &parent) const;
 
     /** Helper function to setup 'action' with the given pids */
-    void setupKAuthAction(KAuth::Action *action, const QList<long long> & pids) const;
+    void setupKAuthAction(KAuth::Action &action, const QList<long long> & pids) const;
 
     /** fire a timer event if we are set to use our internal timer*/
     void fireTimerEvent();
@@ -392,15 +395,15 @@ int KSysGuardProcessListPrivate::totalRowCount(const QModelIndex &parent ) const
     return total;
 }
 
-void KSysGuardProcessListPrivate::setupKAuthAction(KAuth::Action *action, const QList<long long> & pids) const
+void KSysGuardProcessListPrivate::setupKAuthAction(KAuth::Action &action, const QList<long long> & pids) const
 {
-    action->setHelperId("org.kde.ksysguard.processlisthelper");
+    action.setHelperId("org.kde.ksysguard.processlisthelper");
 
     int processCount = pids.count();
     for(int i = 0; i < processCount; i++) {
-        action->addArgument(QString("pid%1").arg(i), pids[i]);
+        action.addArgument(QString("pid%1").arg(i), pids[i]);
     }
-    action->addArgument("pidcount", processCount);
+    action.addArgument("pidcount", processCount);
 }
 void KSysGuardProcessList::selectionChanged()
 {
@@ -1023,23 +1026,19 @@ bool KSysGuardProcessList::reniceProcesses(const QList<long long> &pids, int nic
 
 
 #warning KAuth needs porting, but docu is not adjusted, no idea how to do it
-#if 0
-    KAuth::Action *action = new KAuth::Action("org.kde.ksysguard.processlisthelper.renice");
-    action->setParentWidget(window());
+    KAuth::Action action("org.kde.ksysguard.processlisthelper.renice");
+    action.setParentWidget(window());
     d->setupKAuthAction( action, unreniced_pids);
-    action->addArgument("nicevalue", niceValue);
-    KAuth::ActionReply reply = action->execute();
+    action.addArgument("nicevalue", niceValue);
+    KAuth::ExecuteJob *job  = action.execute();
 
-    if (reply == KAuth::ActionReply::SuccessReply) {
+    if (job->exec()) {
         updateList();
-        delete action;
-    } else if (reply != KAuth::ActionReply::UserCancelled && reply != KAuth::ActionReply::AuthorizationDenied) {
+    } else if (!job->exec()) {
         KMessageBox::sorry(this, i18n("You do not have the permission to renice the process and there "
-                    "was a problem trying to run as root.  Error %1 %2", reply.errorCode(), reply.errorDescription()));
-        delete action;
+                    "was a problem trying to run as root.  Error %1 %2", job->error(), job->errorString()));
         return false;
     }
-#endif
     return true;
 }
 
@@ -1189,26 +1188,22 @@ bool KSysGuardProcessList::changeIoScheduler(const QList< long long> &pids, KSys
     if(!d->mModel.isLocalhost()) return false; //We can't use kauth to affect non-localhost processes
 
 #warning KAuth needs porting, but docu is not adjusted, no idea how to do it
-#if 0
-    KAuth::Action *action = new KAuth::Action("org.kde.ksysguard.processlisthelper.changeioscheduler");
-    action->setParentWidget(window());
+    KAuth::Action action("org.kde.ksysguard.processlisthelper.changeioscheduler");
+    action.setParentWidget(window());
 
     d->setupKAuthAction( action, unchanged_pids);
-    action->addArgument("ioScheduler", (int)newIoSched);
-    action->addArgument("ioSchedulerPriority", newIoSchedPriority);
+    action.addArgument("ioScheduler", (int)newIoSched);
+    action.addArgument("ioSchedulerPriority", newIoSchedPriority);
 
-    KAuth::ActionReply reply = action->execute();
+    KAuth::ExecuteJob *job  = action.execute();
 
-    if (reply == KAuth::ActionReply::SuccessReply) {
+    if (job->exec()) {
         updateList();
-        delete action;
-    } else if (reply != KAuth::ActionReply::UserCancelled && reply != KAuth::ActionReply::AuthorizationDenied) {
+    } else if (!job->exec()) {
         KMessageBox::sorry(this, i18n("You do not have the permission to change the I/O priority of the process and there "
-                    "was a problem trying to run as root.  Error %1 %2", reply.errorCode(), reply.errorDescription()));
-        delete action;
+                    "was a problem trying to run as root.  Error %1 %2", job->error(), job->errorString()));
         return false;
     }
-#endif
     return true;
 }
 
@@ -1226,24 +1221,20 @@ bool KSysGuardProcessList::changeCpuScheduler(const QList< long long> &pids, KSy
     if(!d->mModel.isLocalhost()) return false; //We can't use KAuth to affect non-localhost processes
 
 #warning KAuth needs porting, but docu is not adjusted, no idea how to do it
-#if 0
-    KAuth::Action *action = new KAuth::Action("org.kde.ksysguard.processlisthelper.changecpuscheduler");
-    action->setParentWidget(window());
+    KAuth::Action action("org.kde.ksysguard.processlisthelper.changecpuscheduler");
+    action.setParentWidget(window());
     d->setupKAuthAction( action, unchanged_pids);
-    action->addArgument("cpuScheduler", (int)newCpuSched);
-    action->addArgument("cpuSchedulerPriority", newCpuSchedPriority);
-    KAuth::ActionReply reply = action->execute();
+    action.addArgument("cpuScheduler", (int)newCpuSched);
+    action.addArgument("cpuSchedulerPriority", newCpuSchedPriority);
+    KAuth::ExecuteJob *job  = action.execute();
 
-    if (reply == KAuth::ActionReply::SuccessReply) {
+    if (job->exec()) {
         updateList();
-        delete action;
-    } else if (reply != KAuth::ActionReply::UserCancelled && reply != KAuth::ActionReply::AuthorizationDenied) {
+    } else if (!job->exec()) {
         KMessageBox::sorry(this, i18n("You do not have the permission to change the CPU Scheduler for the process and there "
-                    "was a problem trying to run as root.  Error %1 %2", reply.errorCode(), reply.errorDescription()));
-        delete action;
+                    "was a problem trying to run as root.  Error %1 %2", job->error(), job->errorString()));
         return false;
     }
-#endif
     return true;
 }
 
@@ -1262,26 +1253,20 @@ bool KSysGuardProcessList::killProcesses(const QList< long long> &pids, int sig)
     if(!d->mModel.isLocalhost()) return false; //We can't elevate privileges to kill non-localhost processes
 
 #warning KAuth needs porting, but docu is not adjusted, no idea how to do it
-#if 0
     KAuth::Action action("org.kde.ksysguard.processlisthelper.sendsignal");
     action.setParentWidget(window());
-    d->setupKAuthAction( &action, unkilled_pids);
+    //action.setHelperId("org.kde.ksysguard.processlisthelper");
+    d->setupKAuthAction( action, unkilled_pids);
     action.addArgument("signal", sig);
-    KAuth::ActionReply reply = action.execute();
+    KAuth::ExecuteJob *job  = action.execute();
 
-    if (reply == KAuth::ActionReply::SuccessReply) {
+    if (job->exec()) {
         updateList();
-    } else if (reply.type() == KAuth::ActionReply::HelperError) {
-        if (reply.errorCode() > 0)
-            KMessageBox::sorry(this, i18n("You do not have the permission to kill the process and there "
-                        "was a problem trying to run as root. %1", reply.errorDescription()));
-        return false;
-    } else if (reply != KAuth::ActionReply::UserCancelled && reply != KAuth::ActionReply::AuthorizationDenied) {
+    } else if (!job->exec()) {
         KMessageBox::sorry(this, i18n("You do not have the permission to kill the process and there "
-                    "was a problem trying to run as root.  Error %1 %2", reply.errorCode(), reply.errorDescription()));
+                    "was a problem trying to run as root.  Error %1 %2", job->error(), job->errorString()));
         return false;
     }
-#endif
     return true;
 }