diff --git a/src/clipboard.rs b/src/clipboard.rs
index e4bd00390..329b392bb 100644
--- a/src/clipboard.rs
+++ b/src/clipboard.rs
@@ -272,6 +272,15 @@ impl ClipboardContext {
     }
 
     fn get_formats(&mut self, formats: &[ClipboardFormat]) -> ResultType<Vec<ClipboardData>> {
+        // If there're multiple threads or processes trying to access the clipboard at the same time,
+        // the previous clipboard owner will fail to access the clipboard.
+        // `GetLastError()` will return `ERROR_CLIPBOARD_NOT_OPEN` (OSError(1418): Thread does not have a clipboard open) at this time.
+        // See https://github.com/rustdesk-org/arboard/blob/747ab2d9b40a5c9c5102051cf3b0bb38b4845e60/src/platform/windows.rs#L34
+        //
+        // This is a common case on Windows, so we retry here.
+        // Related issues:
+        // https://github.com/rustdesk/rustdesk/issues/9263
+        // https://github.com/rustdesk/rustdesk/issues/9222#issuecomment-2329233175
         for i in 0..CLIPBOARD_GET_MAX_RETRY {
             match self.inner.get_formats(SUPPORTED_FORMATS) {
                 Ok(data) => {
diff --git a/src/server/clipboard_service.rs b/src/server/clipboard_service.rs
index a2a3b3153..d6bea7520 100644
--- a/src/server/clipboard_service.rs
+++ b/src/server/clipboard_service.rs
@@ -131,9 +131,12 @@ impl Handler {
         check_clipboard(&mut self.ctx, ClipboardSide::Host, false)
     }
 
-    // It's ok to do async operation in the clipboard service because:
-    // 1. the clipboard is not used frequently.
-    // 2. the clipboard handle is sync and will not block the main thread.
+    // Read clipboard data from cm using ipc.
+    //
+    // We cannot use `#[tokio::main(flavor = "current_thread")]` here, 
+    // because the auto-managed tokio runtime (async context) will be dropped after the call.
+    // The next call will create a new runtime, which will cause the previous stream to be unusable.
+    // So we need to manage the tokio runtime manually.
     #[cfg(windows)]
     fn read_clipboard_from_cm_ipc(&mut self) -> ResultType<Vec<ClipboardNonFile>> {
         if self.rt.is_none() {