All CPU Meter is a legendary desktop gadget originally designed for Windows Vista and Windows 7, but its usefulness today is highly limited due to severe compatibility issues and modern alternatives. While many tech enthusiasts still love its compact, retro design, it is no longer practical or secure to run in its original form on modern operating systems like Windows 10 or Windows 11. Why All CPU Meter is Obsolete
Security Vulnerabilities: Microsoft officially discontinued the Windows Desktop Gadget platform (which used a sidebar.exe process) because vulnerabilities in the code allowed hackers to execute remote code on your PC.
Core Limitations: The original widget was designed in an era of dual-core and quad-core processors. Modern high-end processors feature high core counts and multiple threads, causing older versions of the widget to break, misread data, or fail entirely.
Third-Party Dependency Breaks: To display temperatures, All CPU Meter relies heavily on linking with a background app called CoreTemp. Modern Windows security settings and updates frequently break the link between these two programs, resulting in constant “CoreTemp is not running” error messages. The Verdict: Is It Still Useful?
The classic widget is not useful or recommended if you are trying to install it natively. However, it can still serve a purpose under very specific circumstances:
Only via Emulators: If you use a software package like 8GadgetPack or Gadgets Revived—which safely emulates the sidebar environment on modern Windows editions—you can still run it.
Secondary Monitor Real Estate: For users who want a permanent, lightweight hardware tracker parked on a second screen while gaming or rendering, a modified or emulated version can still do the trick. Best Modern Alternatives
If you want the functionality of All CPU Meter without the safety risks and broken code, you should switch to modern system monitors: 1. Native Windows 11 Widgets (Best for No Downloads)
Windows 11 includes a dedicated “CPU Check” widget directly inside its Widget Board. It tracks total CPU usage, individual processor cores, active processes, and features an integrated utilization graph. You can open it anytime using the Win + W shortcut. 2. Traffic Monitor (Best for Taskbar Tracking) I Replaced Windows 11 Widgets with This
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