On Windows 10:
Goto Settings >> Update & Security >> Windows Defender.
Here scroll down to Exclusions and click on Add an exclusion. Now click on Exclude a file.
A dialog box will appear, navigate to desktop where you can find Galaincha shortcut icon and click on Exclude this file Button
The excluded file will be listed as shown below
On Earlier version of Windows:
Open Windows Defender, go to Settings >> Exclude files and locations. Click on Browse button, a dialog box will appear. Here navigate to Galaincha Shortcut on the Desktop (C: Drive >> Users >> "user name" >> Desktop >> Galaincha) and click ok.
Now click on the Add button and then Save changes to apply the settings.