Getting error "An operation on a socket could not be performed..." with XAMPP and Windows again and again

I have a PHP application which is running under XAMPP (Windows Environment : Windows server 2012).

Now very often I am getting an error while trying to login via a MySql web client (adminer https://www.adminer.org/) as follow;

An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full.

I have searched in internet and found no concrete solution (in stackoverflow also). Rather I got one solution which describes to restart the physical server (not xampp). And it worked. But in the very next day it happened again. And once again I restarted it but in a few interval the error is coming again and again.

FYI;

1. Restarting XAMPP is not working
2. Restarting MySql server is not working
3. Only if I restart physical server then it is working for a while.
4. The server was working fine along with all current configuration from last 6 months and this problem starts to come from last few days only.

In the server;

1. The CPU consumption is around 30% to 40% when top load
2. RAM consumption on average 40% to 50%
3. The HDD is 90GB in which 10GB to 12GB is free still (only one drive is there that is C)

I am not getting properly the reason of the error and also the solution as I have searched a lot in the internet.

Any help will be great for me. Please let me know if any more details is required. Thanks in advance.

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