Guidestar has updated the URL used for searching for reports. The new link is:  

Note: This URL is only for Guidestar clients who are using it within GIFTS and have a login and password in the General Tab of the preferences.To ensure that the Guidestar icon in GIFTS works correctly, please do the following:  

1. Open the GIFTS Administrator Module  
2. Go to Setup->Preferences , and in the General tab scroll down the left side to the Guidestar section  
3. Replace the existing URL with the following (you can copy and paste):  
4. Click OK to save changes.  

The original URL (which will no longer be valid) is still the default in GIFTS 6.2.1, 6.4, and Alta. Do not click Reset to Default URL , as it will revert back to the old invalid link.