When editing the group policy, ensure that the Temporary Internet Files setting for Current Location is set correctly and/or is not blank. Internet Options > General tab > Browsing History > Settings: Windows 7 default: C:\Users\%username%\AppData\Local\Microsoft\Windows\Temporary Internet Files.
Blue represents both the sky and the sea, and is associated with open spaces, freedom, intuition, imagination, expansiveness, inspiration, and sensitivity. Blue also represents meanings of depth, trust, loyalty, sincerity, wisdom, confidence, stability, faith, heaven, and intelligence.
Red represents valor and strength, white represents innocence and purity, and blue represents perseverance and justice. These are the same meanings attributed to the colors of the Great Seal. Other people suggest that the stars symbolize the heavens and the stripes symbolize rays of sunlight.