Usually MyEclipse may get stuck at startup after opening a lot of windows or opening a lot of projects.
There are two ways to solve this:
1. Modify the myeclipse configuration file and switch to another workspace to start myeclipse, as shown below:
In this way, you need to import the projects in the original workspace to the new workspace.
2. Modify the original workspace configuration file directly, delete some open classes and views and other nodes in the configuration file, such as my workspace file modification, find the workingsets.xml file in the corresponding directory to modify