Wilco Airbus Evolution Weather Radar Not Working

hello,i have problem.1 month ago,i install wilco evolution vol 1 and 2,when i look at weather radar,working.but when i am uninstall and install again,weather radar is not working,can you give me a solution or fix?. i thinks because the weather is clear,but now is like no weather radar,before i am uninstall,when sys on at 20 nm range,its like refresh like a PSS 777. iam already set sys on and 20 nm range.thanks you for your support/help