The 4) error should be fixed on v8.6 BETA.
Before I released PS Multi Tools v8.5 I was about to release the OFFLINE MODE feature, but didn't do it because I thought no one would use it :P
This was the old setup window http://126.96.36.199/multitools/setup_8.5.png
The next BETA will maybe come already in few hours which will offer this feature
Developer of PS Multi Tools, PS3 Lite Tools, PS PKG File Manager and XMBPC.