Permission error on postinstall from App Store
Based on the error log you provided it looks like helpd has crashed or is causing some issues. This will mess up all kinds of stuff.

try:


rm -rf ~/Library/Caches/com.apple.helpd
rm ~/Library/Preferences/com.apple.helpd.plist ~/Library/Preferences/com.apple.help.plist
Restart computer
Try again


Warning: rm = remove, rm -rf = Remove recursively. Use with caution.