Solution 1: Check if the hard disk is full, you need to clean up the hard disk space and end the processes that occupy memory.
Solution 2: Check the performance of the task manager, check the running memory utilization.
Memory more than 90% no longer receive data, memory is high, you can restart the computer to solve the problem, or close the program with high memory consumption. After the memory is restored, the Control Unit will be uploaded slowly.
