diff --git a/desktop/app/src/main/kotlin/com/shonar/desktop/DesktopState.kt b/desktop/app/src/main/kotlin/com/shonar/desktop/DesktopState.kt
index df3c8b2..a6f3aff 100644
--- a/desktop/app/src/main/kotlin/com/shonar/desktop/DesktopState.kt
+++ b/desktop/app/src/main/kotlin/com/shonar/desktop/DesktopState.kt
@@ -542,6 +542,12 @@ class DesktopState(private val appDir: File = defaultAppDir()) {
             saveReport(DetailUi(file = f, transcript = transcript, summary = summary))
             true
         } catch (e: Exception) {
+            // Surface pump failures for diagnosis instead of swallowing them.
+            runCatching {
+                File(appDir, "pump-error.log").appendText(
+                    "${java.time.Instant.now()} ${f.name}: $e\n",
+                )
+            }
             false
         }
     }
diff --git a/desktop/app/src/main/kotlin/com/shonar/desktop/Screens.kt b/desktop/app/src/main/kotlin/com/shonar/desktop/Screens.kt
index 82c0456..da1c285 100644
--- a/desktop/app/src/main/kotlin/com/shonar/desktop/Screens.kt
+++ b/desktop/app/src/main/kotlin/com/shonar/desktop/Screens.kt
@@ -75,6 +75,9 @@ private fun chooseFolder(): File? {
         dialogTitle = "Choose your recordings folder"
         fileSelectionMode = JFileChooser.DIRECTORIES_ONLY
         isAcceptAllFileFilterUsed = false
+        // Without an explicit size the dialog comes up tiny on HiDPI
+        // compositors (and there is no resize handle), so pin a usable one.
+        preferredSize = java.awt.Dimension(1040, 700)
     }
     return if (chooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) chooser.selectedFile else null
 }