Horrible customer service. 0 stars!

Horrible customer service. 0 stars!
Microsoft's BitLocker has blocked my LapTop. I had a test at 9:00 and I still needed my documentation from my laptop. I called at 8:00 and everything I was told was (about 5 times) that the customer service did not open until 9:00 ,
When I asked the head of the department (3x), the lady simply gave the phone to the colleague next door (my guess), who could only tell me. "Customer service does not open until 9:00 am"
Impudence, real juice shop!