diff --git a/launcher/LoggedProcess.cpp b/launcher/LoggedProcess.cpp
index bae45ad88..c5ef47d7b 100644
--- a/launcher/LoggedProcess.cpp
+++ b/launcher/LoggedProcess.cpp
@@ -114,7 +114,7 @@ void LoggedProcess::on_error(QProcess::ProcessError error)
 {
     switch (error) {
         case QProcess::FailedToStart: {
-            emit log({ tr("The process failed to start.") }, MessageLevel::Fatal);
+            emit log({ tr("The process failed to start: %1").arg(errorString()) }, MessageLevel::Fatal);
             changeState(LoggedProcess::FailedToStart);
             break;
         }
diff --git a/launcher/java/JavaChecker.cpp b/launcher/java/JavaChecker.cpp
index 5c52c653d..3a04756fa 100644
--- a/launcher/java/JavaChecker.cpp
+++ b/launcher/java/JavaChecker.cpp
@@ -179,13 +179,20 @@ void JavaChecker::finished(int exitcode, QProcess::ExitStatus status)
 void JavaChecker::error(QProcess::ProcessError err)
 {
     if (err == QProcess::FailedToStart) {
-        qDebug() << "Java checker has failed to start.";
+        qDebug() << "Java checker has failed to start:" << process->errorString();
         qDebug() << "Process environment:";
         qDebug() << process->environment();
         qDebug() << "Native environment:";
         qDebug() << QProcessEnvironment::systemEnvironment().toStringList();
         killTimer.stop();
-        emit checkFinished({ m_path, m_id });
+
+        Result result = {
+            m_path,
+            m_id,
+        };
+        result.errorLog = process->errorString();
+        result.validity = Result::Validity::Errored;
+        emit checkFinished(result);
     }
     emitSucceeded();
 }
diff --git a/launcher/minecraft/launch/LauncherPartLaunch.cpp b/launcher/minecraft/launch/LauncherPartLaunch.cpp
index a2c400e75..e4d3ec1ef 100644
--- a/launcher/minecraft/launch/LauncherPartLaunch.cpp
+++ b/launcher/minecraft/launch/LauncherPartLaunch.cpp
@@ -164,9 +164,9 @@ void LauncherPartLaunch::on_state(LoggedProcess::State state)
     switch (state) {
         case LoggedProcess::FailedToStart: {
             //: Error message displayed if instace can't start
-            const char* reason = QT_TR_NOOP("Could not launch Minecraft!");
-            emit logLine(reason, MessageLevel::Fatal);
-            emitFailed(tr(reason));
+            const char* reason = QT_TR_NOOP("Could not launch Minecraft: %1");
+            emit logLine(QString(reason).arg(m_process.errorString()), MessageLevel::Fatal);
+            emitFailed(tr(reason).arg(m_process.errorString()));
             return;
         }
         case LoggedProcess::Aborted: