Thousands of computers running Microsoft's Windows XP operating system were unable to connect to the internet after installing an anti-virus update.

BBC: Kaspersky anti-virus cuts web access of thousands of PCs

Because one day we were unable to connect to our server.

FORBES: What's More Disruptive? A Crashed Computer Or A Sick Employee?

Some also claim that the problem affects the ability to use Bluetooth, with the option disable completely for some, and others unable to connect to devices.

FORBES: iOS 6 Wi-Fi Problems Still Plague Some Users

Unfortunately, the factory soldered on the wrong type of jack which, if left in place, would leave the gadget unable to connect to a computer network.

BBC: Raspberry Pi buyers face delay after factory mistake

For some users, the option to enable Wi-Fi is completely grayed-out, while others are able to turn on Wi-Fi but are unable to connect to a network.

FORBES: iOS 6 Wi-Fi Problems Still Plague Some Users

Paul Ince's men could have taken the lead early on, but Craig Westcarr was unable to connect with an inviting cross from on-loan debutant Karl Regan before going close again soon after when Elliot tipped his shot away from danger.

BBC: Sport - Football - Notts County 1-0 Charlton