We aren't quite sure when the problem will be fixed but it is affecting all the current Oculus Rift users. "Our teams apologise for any inconvenience this may be causing you and appreciate your patience while we work on a resolution".
Rebooting the Oculus software, or the PC it's running on doesn't seem to be working at the time. The certificate had expired, and Oculus said it is "looking at a few different ways to resolve the issue".
If you have to get into virtual reality right now, and you can't wait for an Oculus fix, some Rift owners have found a workaround.
The embarrassing issue has left the company's flagship device unusable, this comes as the company continues to deliver major software updates that it announced at its most recent developer conference.
For now, there's no timeline on a fix, but Oculus says it will update that support thread as it learns more.
Oculus VR is a division of Facebook, having been acquired by the social network giant in 2014 for a deal worth around US$2.3 billion.
Isis Releases Video On Ambush Of US Troops In Niger
It is still unknown why the video, which was released on messaging app Telegram, was still unpublished until now. The video includes footage from the soldiers' helmet cameras that was later captured by the Islamic State.
Security clearance of Trump's son-in-law downgraded
Kushner received some scrutiny a year ago for failing to disclose a host of communications between himself and foreign entities. In light of the new allegations, Kushner now appears to be embroiled in one controversy after another.
North Korean delegation arrives for Olympics closing show
Later on Sunday the White House said in a statement that "denuclearization must be the result of any dialogue with North Korea". President Trump called the measures targeting the country's shipping industry "the heaviest sanctions ever imposed".
We do not want US trade war, says China
A state-owned defense company is developing the country's first nuclear-powered aircraft carrier. The defence budget of the USA which is the highest in the world amounted to $602.8 billion.
Real Madrid win ahead of key Paris game
Ronaldo now has 14 goals in his last eight appearances, form which Zidane said the team had to use to their advantage. The Real boss said: "He's going to be in Paris and I'm very happy because he is going through a very good moment".