Secondly, try to set your virtual memory to 1.5 (initial size) to twice the physical memory (maximum size);
Then, clear your page file and try.
Finally: I don't know what 360 is now, but I am sure that it has opened the back door in my system, so I have always hated 360 and never installed it again. As for the question you mentioned, I haven't used it, so I can't say whether it matters or not. However, if you just can't get into the desktop and the background screen appears, you can try to hold down the Ctrl key and Alt key and then press the Delete key to bring up the Windows Task Manager, and click File >; "Create a new task", select "Browse" in the open window, find the system installation folder (usually the "Windows" folder) of the partition where your system is located, enter or find the "explorer.exe" file, and then click "OK" (some of them are related to your operating system), so that you can see the familiar desktop.