Handle E_ABORT

Flow.Launcher/PublicAPIInstance.cs

@@ -8,6 +8,7 @@ using System.IO;
 using System.Linq;
 using System.Net;
 using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows;
@@ -379,6 +380,21 @@ namespace Flow.Launcher
                     explorer.Start();
                 }
             }
+            catch (COMException ex) when (ex.ErrorCode == unchecked((int)0x80004004))
+            {
+                /*
+                 * The COMException with HResult 0x80004004 is E_ABORT (operation aborted).
+                 * Shell APIs often return this when the operation is canceled or the shell cannot complete it cleanly.
+                 * It most likely comes from Win32Helper.OpenFolderAndSelectFile(targetPath).
+                 * Typical triggers:
+                 * The target file/folder was deleted/moved between computing targetPath and the shell call.
+                 * The folder is on an offline network/removable drive.
+                 * Explorer is restarting/busy and aborts the request.
+                 * A selection request to a new/closing Explorer window is canceled.
+                 * Because it is commonly user- or environment-driven and not actionable,
+                 * we should treat it as expected noise and ignore it to avoid bothering users.
+                 */
+            }
             catch (Win32Exception ex) when (ex.NativeErrorCode == 2)
             {
                 LogError(ClassName, "File Manager not found");