Earlier this week some of our users reported seeing only a black screen or black screen with a moving cursor when logging into their Windows 8 or Window 8.1 device. The root cause appears to be a known issue with versions 184.108.40.206, 220.127.116.11 and 18.104.22.1684 of Search Protect, a product which can be installed on Windows devices as part of a web download made available by ClientConnect Ltd. ClientConnect Ltd has posted a notification on the following website:
Some customers have reported resolving the problem using these steps:
Boot your device into the Windows Recovery Environment and enter safe mode
Launch control panel and select Uninstall a program
Remove the program with “Search Protect” in the name
If these steps do not help, please contact ClientConnect’s support center using the above link for support as described here.
As Microsoft continues to investigate this issue, updates will be posted here.