Unable to connect to Battle.net? Are you getting the Error # 114 message? Most likely you have the 64-bit client. Blizzard Customer Service has a workaround to login. Stay tuned for new info on this issue. There might be a small launcher patch update to fix this.
Update: Try using the following workaround.
Open the game launcher ► Click Options ► Game preferences ► Put a check mark on Launch 32-bit client ► Click ok ► Try logging in.
We’re still investigating the issue.
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We’re aware that players are receiving a Battle.net error #114 when attempting to login to the game and the issue is under investigation.
We’ll provide additional information as soon as it becomes available to us. Thank! – source

Tomas Hernandez is owner of Blizzplanet.com since 2003 posting news about World of Warcraft, StarCraft II and Diablo III. Blizzplanet is a leading fansite covering news about upcoming Blizzard Entertainment licensed products. I also post previews and reviews. I have interviewed book writers and Blizzard game developers.
I was previously an employee of the OGaming Network (2003), and IncGamers (2008-2010). I was a guest newsposter for GosuGamers (World of Warcraft) a few years ago and for Diablofans.com (formerly Diablo3.com)
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About Medievaldragon
Tomas Hernandez is owner of Blizzplanet.com since 2003 posting news about World of Warcraft, StarCraft II and Diablo III. Blizzplanet is a leading fansite covering news about upcoming Blizzard Entertainment licensed products. I also post previews and reviews. I have interviewed book writers and Blizzard game developers.
I was previously an employee of the OGaming Network (2003), and IncGamers (2008-2010). I was a guest newsposter for GosuGamers (World of Warcraft) a few years ago and for Diablofans.com (formerly Diablo3.com)