diff --git a/framework/extensions/internal/legacy/extpluginrunner.cpp b/framework/extensions/internal/legacy/extpluginrunner.cpp
index 4a67b7b374..e18b02cf5f 100644
--- a/framework/extensions/internal/legacy/extpluginrunner.cpp
+++ b/framework/extensions/internal/legacy/extpluginrunner.cpp
@@ -26,6 +26,8 @@
 #include "../../api/v1/ipluginapiv1.h"
 #include "../../extensionserrors.h"
 
+#include "translation.h"
+
 #include "log.h"
 
 using namespace muse;
@@ -33,6 +35,7 @@ using namespace muse::extensions;
 using namespace muse::extensions::legacy;
 using namespace muse::extensions::apiv1;
 
+//! Loads and runs the legacy plug-in described by `action`.
 Ret ExtPluginRunner::run(const Action& action)
 {
     io::path_t qmlPath = action.path;
@@ -41,20 +44,26 @@ Ret ExtPluginRunner::run(const Action& action)
     //! making it easier to maintain backward compatibility and stability.
     QQmlComponent component = QQmlComponent(engine()->qmlEngineApiV1(), qmlPath.toQString());
     if (!component.isReady()) {
+        const QString errorMessage = component.errorString().trimmed();
         LOGE() << "Failed to load QML file: " << qmlPath;
-        LOGE() << component.errorString();
+        LOGE() << errorMessage;
+        showError(errorMessage);
         return make_ret(Err::ExtLoadError);
     }
 
     QObject* obj = component.create();
     if (!obj) {
-        LOGE() << "Failed to create QML Object: " << qmlPath;
+        const QString errorMessage = component.errorString().trimmed();
+        LOGE() << "Failed to create QML Object: " << qmlPath << ", error: " << errorMessage;
+        showError(errorMessage);
         return make_ret(Err::ExtLoadError);
     }
 
     IPluginApiV1* plugin = dynamic_cast<IPluginApiV1*>(obj);
     if (!plugin) {
-        LOGE() << "Qml Object not MuseScore plugin: " << qmlPath;
+        const QString errorMessage = muse::qtrc("extensions", "QML object is not a MuseScore plug-in: %1").arg(qmlPath.toQString());
+        LOGE() << errorMessage;
+        showError(errorMessage);
         return make_ret(Err::ExtBadFormat);
     }
 
@@ -62,3 +71,13 @@ Ret ExtPluginRunner::run(const Action& action)
 
     return muse::make_ok();
 }
+
+//! Displays `errorMessage` in a copyable error dialog.
+void ExtPluginRunner::showError(const QString& errorMessage)
+{
+    IInteractive::Text text(
+        muse::qtrc("extensions", "An error occurred in the plug-in: %1. Please contact the developer.").arg(errorMessage).toStdString(),
+        IInteractive::TextFormat::PlainText);
+    text.detailedText = errorMessage.toStdString();
+    interactive()->error(muse::trc("extensions", "Plug-in error"), text);
+}
diff --git a/framework/extensions/internal/legacy/extpluginrunner.h b/framework/extensions/internal/legacy/extpluginrunner.h
index 73bf6a3a1e..afa3269d61 100644
--- a/framework/extensions/internal/legacy/extpluginrunner.h
+++ b/framework/extensions/internal/legacy/extpluginrunner.h
@@ -23,6 +23,7 @@
 #define MUSE_EXTENSIONS_EXTPLUGINRUNNER_H
 
 #include "global/types/ret.h"
+#include "interactive/iinteractive.h"
 
 #include "../../extensionstypes.h"
 
@@ -35,12 +36,19 @@ namespace muse::extensions::legacy {
 class ExtPluginRunner : public Contextable
 {
     ContextInject<IExtensionsUiEngine> engine = { this };
+    ContextInject<IInteractive> interactive = { this };
 
 public:
+    //! Creates a runner in the given dependency-injection context.
     ExtPluginRunner(const modularity::ContextPtr& iocCtx)
         : Contextable(iocCtx) {}
 
+    //! Loads and runs the legacy plug-in described by `action`.
     Ret run(const Action& action);
+
+private:
+    //! Displays `errorMessage` in a copyable error dialog.
+    void showError(const QString& errorMessage);
 };
 }
 
diff --git a/framework/interactive/qml/Muse/Interactive/ErrorDetailsView.qml b/framework/interactive/qml/Muse/Interactive/ErrorDetailsView.qml
index 6cbeffcbe4..a2cf185d3d 100644
--- a/framework/interactive/qml/Muse/Interactive/ErrorDetailsView.qml
+++ b/framework/interactive/qml/Muse/Interactive/ErrorDetailsView.qml
@@ -60,8 +60,8 @@ Column {
             anchors.fill: parent
             anchors.margins: 1
 
-            contentWidth: contentItem.childrenRect.width
-            flickableDirection: Flickable.AutoFlickDirection
+            contentWidth: width
+            flickableDirection: Flickable.VerticalFlick
 
             spacing: 0
 
@@ -91,8 +91,8 @@ Column {
                 background.color: model.index % 2 === 0 ? ui.theme.backgroundSecondaryColor : "transparent"
                 mouseArea.enabled: false
 
-                implicitWidth: label.implicitWidth + 2 * 30
-                width: Math.max(ListView.view.width, implicitWidth)
+                implicitHeight: Math.max(30, label.implicitHeight + 12)
+                width: ListView.view.width
 
                 StyledTextLabel {
                     id: label
@@ -104,6 +104,7 @@ Column {
                     horizontalAlignment: Text.AlignLeft
 
                     width: parent.width
+                    wrapMode: Text.WrapAnywhere
 
                     textFormat: Qt.RichText
                     text: model.errorText