diff --git a/main.go b/main.go
index e60ee26..0a84c2e 100644
--- a/main.go
+++ b/main.go
@@ -469,18 +469,18 @@ func (s *appState) buildComparePane(src *videoSource, onStop func(), setSess fun
 	videoImg := canvas.NewImageFromResource(nil)
 	videoImg.SetMinSize(fyne.NewSize(960, 540))
 	// Populate a preview frame if available
-	if len(src.PreviewFrames) == 0 {
-		if frames, err := capturePreviewFrames(src.Path, src.Duration); err == nil && len(frames) > 0 {
-			src.PreviewFrames = frames
+		if len(src.PreviewFrames) == 0 {
+			if frames, err := capturePreviewFrames(src.Path, src.Duration); err == nil && len(frames) > 0 {
+				src.PreviewFrames = frames
+			}
 		}
-	}
-	if len(src.PreviewFrames) > 0 {
-		s.currentFrame = src.PreviewFrames[0]
-		videoImg.File = s.currentFrame
-		videoImg.Refresh()
-	}
-	videoImg.FillMode = canvas.ImageFillContain
-	stage := container.NewMax(stageBG, videoImg)
+		if len(src.PreviewFrames) > 0 {
+			s.currentFrame = src.PreviewFrames[0]
+			videoImg.File = s.currentFrame
+			videoImg.Refresh()
+		}
+		videoImg.FillMode = canvas.ImageFillContain
+		stage := container.NewMax(stageBG, videoImg)
 
 	currentTime := widget.NewLabel("0:00")
 	totalTime := widget.NewLabel(src.DurationString())
@@ -3930,9 +3930,6 @@ func (p *playSession) runVideo(offset float64) {
 			fmt.Printf("❌ FATAL: ffmpeg not found in PATH: %v\n", pathErr)
 		}
 		logging.Debug(logging.CatFFMPEG, "video start failed: %v (%s)", err, errMsg)
-		fyne.Do(func() {
-			dialog.ShowError(fmt.Errorf("Failed to start video decode: %v\n%s", err, errMsg), fyne.CurrentApp().Driver().AllWindows()[0])
-		})
 		return
 	}
 	fmt.Printf("✅ FFmpeg started (PID: %d) in %.3fs\n", cmd.Process.Pid, time.Since(startTime).Seconds())
@@ -3986,9 +3983,6 @@ func (p *playSession) runVideo(offset float64) {
 					fmt.Printf("   FFmpeg error: %s\n", msg)
 				}
 				logging.Debug(logging.CatFFMPEG, "video read failed: %v (%s)", err, msg)
-				fyne.Do(func() {
-					dialog.ShowError(fmt.Errorf("Video decode failed: %v\n%s", err, msg), fyne.CurrentApp().Driver().AllWindows()[0])
-				})
 				return
 			}