Seagulls are a strange lot especially in parking lots (sorry Johnathan). They sit on the pavement, lamp post and building rims all facing the same way. All someone has to think is "The Birds" and phone booths are extinct and............ So far we have got Mr. Poppers tux brood and "Happy Feet" concerning penguins although those birds in "Madagascar" could be seagulls in disguise.
The real deal is that I installed Android on my laptop's Virtualbox along side Microsoft XP which in turn installed Grub to be able to choose an OS at bootup. Taking Android off was not painless nor Grub editable and my installed Sketchup in XP was DOA. Then I reinstalled XP in Virtualbow which walked instead of ran and Sketchup which totally ignored I had a grahhics card that worked correctly. Uninstall X3. So....... I installed WINE which is not an emulator but a Windows compatibility layer application, then reinstalled SketchUp which didn't run last time I used it in Wine and runs perfectly this time, God be blessed to updates.
The moral of this story is both gulls and penguins will eat fish but penguins will balk at bread. They won't eat a fish sandwich either. Gulls will peck and gulp anything that has food on it, all while facing the same direction. Which brings me to another thing, science. After careful observation, recording and testing a procedure for repeatable results, computers are able to spit up garbage because they themselves are a tad bit different. Just because it worked to a tech wiz doesn't mean it will work for a nerd, let alone a dweeb. Buy the shoes of a pro but milage may vary.
I hope you all can receive deep insight to the mystery of computing by my words above, all confusion is because brains are different no matter what the physicians chart says. Always have a backup plan in place, that is why zoo birds are replaced and you never notice. Oh, there's one seagull facing the other way, must be a glitchee-dee.