If the Action Center in Windows 10 does not load, this indicates a minor system problem. The problem should be resolved immediately to prevent Windows from becoming completely unstable.

Restart Windows Explorer. Launch Task Manager, right-click on the Windows Explorer process, and select Restart.

Restart your computer. Sometimes a simple restart is enough to get everything working again.

Run a Disk Cleanup. This process will not only free up space on your hard drive, but it can also remove a temporary file that may be causing the problem. When Windows 10 is low on memory and disk space, the operating system can slow down significantly as critical processes try to complete but fail.