diff --git a/glances/processes.py b/glances/processes.py
index a01cd9299..9487b9efc 100644
--- a/glances/processes.py
+++ b/glances/processes.py
@@ -123,7 +123,9 @@ def reset_internal_cache(self):
         """Reset the internal cache."""
         self.cache_timer = Timer(0)
         self.processlist_cache = {}
-        psutil.process_iter.cache_clear()
+        if hasattr(psutil.process_iter, 'cache_clear'):
+            # Cache clear only available in PsUtil 6 or higher
+            psutil.process_iter.cache_clear()
 
     def reset_processcount(self):
         """Reset the global process count"""
@@ -451,7 +453,9 @@ def update(self):
             )
         )
         # Only get the info key
-        processlist = [p.info for p in processlist]
+        # PsUtil 6+ no longer check PID reused #2755 so use is_running in the loop
+        # Note: not sure it is realy needed but CPU consumption look teh same with or without it
+        processlist = [p.info for p in processlist if p.is_running()]
         # Sort the processes list by the current sort_key
         processlist = sort_stats(processlist, sorted_by=self.sort_key, reverse=True)