Mac Troubleshooting

If you opened Activity Monitor and saw mds_stores using high CPU on your Mac, the first reaction is usually confusion: what is this process, why is it using so much power, and is it safe? The good news: mds_stores is usually not malware. It is commonly related to Spotlight indexing, the system that helps your […]

If WindowServer is using high CPU on your Mac, your Mac may feel slow, hot, laggy, or visually sluggish — especially when you have many windows, tabs, displays, or apps open at the same time. Seeing WindowServer near the top of Activity Monitor can be confusing because it does not look like a normal app.

If your Mac feels hot, slow, noisy, or unusually busy after installing the macOS 27 beta, high CPU usage is one of the first things to check. Beta versions of macOS are exciting because they give you early access to Apple’s next features. But they can also make your Mac work harder than usual, especially

If you opened Activity Monitor and saw kernel_task using a huge amount of CPU, your first reaction was probably simple: “What is this, and should I stop it?” The answer is important: do not try to kill kernel_task like a normal app. kernel_task is a macOS system process. When it appears to use a large

When your Mac says an app is “using significant energy”, it is not just a random battery warning. It is a clue. Your Mac is telling you that one or more apps are using enough power to matter. That power use can affect battery life, heat, fan noise, performance, and how long your MacBook lasts

1. Finder Taking Forever to Open Folders or Files? 😫 You double-click a folder… and wait. And wait. Sometimes it opens instantly, sometimes it freezes. If Finder is slow on your Mac, it can make your whole workflow feel sluggish and unpredictable. But don’t worry — it’s a common issue, especially after updates, system migrations,