Can not create default Keyset. Error code -2146893809.

Hi,

i've reinstalled my aos (AX2012, CU7) and now i can't start it anymore. I get the following errors in the eventlog. Any ideas?

Object Server 01:  Can not create default Keyset. Error code -2146893809.

Object Server 01:  The license information can not be decoded.

Faulting application name: Ax32Serv.exe, version: 6.2.1000.4051, time stamp: 0x5272cc8a

Faulting module name: KERNELBASE.dll, version: 6.1.7601.18229, time stamp: 0x51fb1677

Exception code: 0xe0000005

Fault offset: 0x000000000000940d

Faulting process id: 0xccc

Faulting application start time: 0x01cee787f7df8141

Faulting application path: C:\Program Files\Microsoft Dynamics AX\60\Server\MicrosoftDynamicsAXR2\Bin\Ax32Serv.exe

Faulting module path: C:\Windows\system32\KERNELBASE.dll

Report Id: 38ec610b-537b-11e3-8870-00155d013f06