I have been using PC-Matic for several years. Sometime after summer 2020, I began having a problem running Java -- it delays starting for 4 seconds, maybe 10, sometimes even 25.
I have a new desktop with 16 GB of RAM, it is a 64-bit machine, Java and Windows are all up to date.
I write Java software and compile and run it from a DOS-style window ( i.e. Windows' cmd.exe ). Never had a problem. After trial-and-error, I discovered that if I turn off SuperShield (until reboot or for some shorter time, as per the option from the system tray for the PC-Matic icon), this problem