Edit: After half day, my wife’s Mac started having the same problem. I have then applied the solution that I found in the Apple
UK Twitter Boss Quits Post Just Days After TweetDeck Shutdown
Twitter’s head of UK operations has today, sensationally quit his post in the UK after the business regulator shut down TweetDeck for failure to declare accounts.
Apple Fan Site has learned that Twitter Inc chief executive Dick Costolo quit as director of Twitter UK Ltd on May 9 and a Dublin-based accountant is set to take his position.
Costolo’s resignation follows a number of accounting problems with both Twitter UK and also TweetDeck Ltd which is no longer a registered company after they failed to file its 2011 accounts.
Twitter UK filed accounts totalling a profit of just ?16,500 recently, however TweetDeck did not publish the required account information and was forcefully closed down due to the information being required as of September 2011. The Californian microblogging giant controls its UK firm through an Irish subsidiary known as Twitter International Company Ltd.
Forbes magazine reported that Twitter may seek a public flotation in 2014, saying it could be worth more than $11bn (?6.8bn) to investors if it successfully monetises social media without disenfranchising users.