Google Spreadhseet Notification Save button is greyed out

Problems 
- "Set notification rules" save button is not available (grayed out)
- the save button is "grayed" out in Google spreadsheet notification
- save button is also grayed out
- save button in Google spreadsheet notification rules is not worked for me :-(

Solution
1- Just start check the check boxes from end to first (it's worked)
2- Checked all checkboxes and unchecked one of three of top checkboxes
It works for me ;-)

Could not install Gradle distribution

Error: 
Gradle 'AmastanehTestApp' project refresh failed:
Cause: error in opening zip file
Gradle settings

ExternalSystemException
Could not install Gradle distribution from 'http://services.gradle.org/distributions/gradle-1.9-all.zip'.
java.util.zip.ZipException: error in opening zip file
error in opening zip file: Could not install Gradle distribution from 'http://services.gradle.org/distributions/gradle-1.9-all.zip'.
java.util.zip.ZipException: error in opening zip file
error in opening zip file

Gradle invocation completed successfully in 0 sec

Solution:
Download the http://services.gradle.org/distributions/gradle-x.y-all.zip' file from link in above message and put it in C:/Users/[current user]/.gradle