diff --git a/app.py b/app.py
index f735e7d..d4f6b75 100644
--- a/app.py
+++ b/app.py
@@ -638,6 +638,7 @@ def do_copy(src_dev, dst_dev, cfg):
         dup_mode = cfg.get('duplicate_handling', 'skip')
         copied_pairs = []   # [(src, dst)] erfolgreich kopiert
         skipped = 0
+        io_errors = 0
 
         # ── Phase 1: Kopieren ──────────────────────────────────────────────
         for i, f in enumerate(files):
@@ -672,10 +673,16 @@ def do_copy(src_dev, dst_dev, cfg):
             try:
                 shutil.copy2(f, tmp_f)          # Erst in Temp-Datei kopieren
                 os.replace(str(tmp_f), str(dst_f))  # Dann atomar umbenennen
-            except Exception:
+            except OSError as copy_err:
                 try: tmp_f.unlink(missing_ok=True)
                 except Exception: pass
-                raise
+                io_errors += 1
+                add_log(f'⚠ Fehler bei {f.name}: {copy_err}')
+                with copy_lock:
+                    copy_state.update(done=i+1,
+                                      progress=int((i+1)/total*100) if total else 100,
+                                      current=str(f.name))
+                continue
             copied_pairs.append((f, dst_f))
 
             with copy_lock:
@@ -694,6 +701,8 @@ def do_copy(src_dev, dst_dev, cfg):
         msg_parts = [f'{len(copied_pairs)} kopiert']
         if skipped:
             msg_parts.append(f'{skipped} übersprungen')
+        if io_errors:
+            msg_parts.append(f'{io_errors} Fehler (I/O)')
 
         # ── Phase 2: Verifizieren ──────────────────────────────────────────
         verify_errors = 0
diff --git a/version.txt b/version.txt
index d941c12..e92964f 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.0.16
\ No newline at end of file
+1.0.17
\ No newline at end of file