Microsoft confirms a server-side bug broke Store-based app activation, affecting apps like Notepad with 0x803F8001 error.

Chris Hoffman is the author of Windows Intelligence, an email newsletter that brings the latest Windows news, tips, and tricks to inboxes each week. He's also the former editor-in-chief of How-To Geek ...

All these fixes are explained below in detail. Before proceeding, we recommend you check for a Windows Update. If an update is available, download and install it ...