Im using Windows 11 Pro,I use task manager a lot when comes to checking the speeds and ram. Recently i noticed a minor but irritating bug. Once you see it, you will feel like you have turned appearance and personalisation to best performance. But its not! In the task manager when you open the performance tab, the tab bar will have black dotted lines. I confirmed that this happens only in the performance tab. And i confirmed with my friends too. They had the same issue. For better understanding please check the screen snips below. Also found that prt sc button dosent trigger snipping tool to take screenshots when task manager window is active ( focused or open ) Ple fix these bugs as its kind of irritating.