Recently on the Internet we can read many posts from users who report that they have experienced one serious error connected with Windows 10 Mobile. As it turns out, some users aren't able to install new applications on their microSD cards, and in solving the problem doesn't even help restore of the phone to factory settings.
How posted Brandon LeBlanc (Senior Program Manager in Microsoft) on his Twitter account, company from Redmond knows about this problem and they are working on solving this case. Fix which will solve this problem will be released during coming days.