2 files changed, 40 insertions, 5 deletions
diff --git a/gui/src/renderer/app.tsx b/gui/src/renderer/app.tsx
index 9ba1e61252..4c79cc2192 100644
--- a/gui/src/renderer/app.tsx
+++ b/gui/src/renderer/app.tsx
@@ -20,7 +20,7 @@ import { ILinuxSplitTunnelingApplication } from '../shared/application-types';
 import { messages, relayLocations } from '../shared/gettext';
 import { IGuiSettingsState, SYSTEM_PREFERRED_LOCALE_KEY } from '../shared/gui-settings-state';
 import log, { ConsoleOutput } from '../shared/logging';
-import { IRelayListPair } from '../shared/ipc-schema';
+import { IRelayListPair, LaunchApplicationResult } from '../shared/ipc-schema';
 import consumePromise from '../shared/promise';
 import History from './lib/history';
 import { loadTranslations } from './lib/load-translations';
@@ -419,8 +419,10 @@ export default class AppRenderer {
     return IpcRendererEventChannel.splitTunneling.getApplications();
   }
 
-  public launchExcludedApplication(application: ILinuxSplitTunnelingApplication | string) {
-    consumePromise(IpcRendererEventChannel.splitTunneling.launchApplication(application));
+  public launchExcludedApplication(
+    application: ILinuxSplitTunnelingApplication | string,
+  ): Promise<LaunchApplicationResult> {
+    return IpcRendererEventChannel.splitTunneling.launchApplication(application);
   }
 
   public collectProblemReport(toRedact: string[]): Promise<string> {
diff --git a/gui/src/renderer/components/LinuxSplitTunnelingSettings.tsx b/gui/src/renderer/components/LinuxSplitTunnelingSettings.tsx
index 3c07e7eca0..cb7c497011 100644
--- a/gui/src/renderer/components/LinuxSplitTunnelingSettings.tsx
+++ b/gui/src/renderer/components/LinuxSplitTunnelingSettings.tsx
@@ -107,9 +107,20 @@ export default function LinuxSplitTunnelingSettings() {
   const [applications, setApplications] = useState<ILinuxSplitTunnelingApplication[]>();
   const [applicationListHeight, setApplicationListHeight] = useState<number>();
   const [browsing, setBrowsing] = useState(false);
+  const [browseError, setBrowseError] = useState<string>();
 
   const applicationListRef = useRef() as React.RefObject<HTMLDivElement>;
 
+  const launchApplication = useCallback(
+    async (application: ILinuxSplitTunnelingApplication | string) => {
+      const result = await launchExcludedApplication(application);
+      if ('error' in result) {
+        setBrowseError(result.error);
+      }
+    },
+    [],
+  );
+
   const launchWithFilePicker = useCallback(async () => {
     setBrowsing(true);
     const file = await showOpenDialog({
@@ -119,10 +130,12 @@ export default function LinuxSplitTunnelingSettings() {
     setBrowsing(false);
 
     if (file.filePaths[0]) {
-      launchExcludedApplication(file.filePaths[0]);
+      await launchApplication(file.filePaths[0]);
     }
   }, []);
 
+  const hideBrowseFailureDialog = useCallback(() => setBrowseError(undefined), []);
+
   useEffect(() => {
     consumePromise(getSplitTunnelingApplications().then(setApplications));
   }, []);
@@ -181,7 +194,7 @@ export default function LinuxSplitTunnelingSettings() {
                           <ApplicationRow
                             key={application.absolutepath}
                             application={application}
-                            launchApplication={launchExcludedApplication}
+                            launchApplication={launchApplication}
                           />
                         ))
                       )}
@@ -196,6 +209,26 @@ export default function LinuxSplitTunnelingSettings() {
             </NavigationContainer>
           </StyledContainer>
         </Layout>
+        {browseError && (
+          <ModalAlert
+            type={ModalAlertType.warning}
+            iconColor={colors.red}
+            message={sprintf(
+              // TRANSLATORS: Error message showed in a dialog when an application failes to launch.
+              messages.pgettext(
+                'split-tunneling-view',
+                'Unable to launch selection. %(detailedErrorMessage)s',
+              ),
+              { detailedErrorMessage: browseError },
+            )}
+            buttons={[
+              <AppButton.BlueButton key="close" onClick={hideBrowseFailureDialog}>
+                {messages.gettext('Close')}
+              </AppButton.BlueButton>,
+            ]}
+            close={hideBrowseFailureDialog}
+          />
+        )}
       </ModalContainer>
     </>
   );