10.8.5 How to upgrade (App Store error please retry 100 later)

Problems: Apple's previous old version, OS X 10.8 or 10.8.5 in the year prompted you to upgrade, you are wayward did not upgrade when, dragged over the array, you want to upgrade, is a variety of retaliation. Go to the App Store to download or update everything is pop-up app Stpre error, please try again (100), and then remind that this system does not support UnionPay.

Now is OS X 10.11, today took over an antique, the system is OS X 10.8, follow the prompts to the OS X 10.8.5, then no matter how point, can not, Baidu a bit, 10.8.5 upgrade, blind toss for a long time, online method on one, make an installation package. Finally, the toss out.

Solution: Online A lot of what methods have tried, no effect. The last to notice that the back of the said does not support UnionPay, is this the reason? Try it, go to the App Store, check your account, and choose none for that bank card. Re-download or update, finally can!

I hope to be of some help to everyone

10.8.5 How to upgrade (App Store error please retry 100 later)