diff --git a/aider/utils.py b/aider/utils.py
index a71df8727..b2ba593e7 100644
--- a/aider/utils.py
+++ b/aider/utils.py
@@ -8,6 +8,7 @@ import time
 from pathlib import Path
 
 import git
+import platform
 
 from aider.dump import dump  # noqa: F401
 from aider.run_cmd import run_cmd
@@ -333,7 +334,22 @@ def check_pip_install_extra(io, module, prompt, pip_install_cmd):
 
     print()
     print("Install failed, try running this command manually:")
-    print(shlex.join(cmd))
+    print(printable_shell_command(cmd))
+
+def printable_shell_command(cmd_list):
+    """
+    Convert a list of command arguments to a properly shell-escaped string.
+    
+    Args:
+        cmd_list (list): List of command arguments.
+    
+    Returns:
+        str: Shell-escaped command string.
+    """
+    if platform.system() == 'Windows':
+        return subprocess.list2cmdline(cmd_list)
+    else:
+        return shlex.join(cmd_list)
 
 
 if __name__ == "__main__":