Worried users have flocked to Microsoft’s forums for help, which currently has 476 pages of complaints.
Windows Live technicians have responded to some of the threads, stating that they are aware of the problem and are trying to work out a fix.
Microsoft spokeswoman Catherine Brooker has said, “At this point it appears to be a limited issue, and Microsoft is working with individual users who are impacted. We apologize for any inconvenience to our customers.”
It is unclear how widespread the problem is.
Have you been experiencing any problems? Let us know in the comments.