I've found a couple of interesting entries in the OLAP log....

(30/09/2013 13:13:20) Message: Failed to initialize SQLSQM timer. One of the following can be the source of the problem: registry doesn't contain all necessary information, server instance name can not be retrieved correctly, failure during timer creation, etc. (Source: \\?\L:\OLAP\Log\msmdsrv.log, Type: 3, Category: 289, Event ID: 0xC121001B)

(9/30/2013 1:13:20 PM) Message: The file '\\?\D:\OLAP\Data\CryptKey.bin' could not be opened. Please check the file for permissions or see if other applications locked it. (Source: \\?\L:\OLAP\Log\msmdsrv.log, Type: 3, Category: 289, Event ID: 0xC1210023)

?(10/8/2013 7:33:10 PM) Message: The file '\\?\D:\OLAP\Data\master.vmp' could not be opened. Please check the file for permissions or see if other applications locked it. (Source: \\?\L:\OLAP\Log\msmdsrv.log, Type: 3, Category: 289, Event ID: 0xC1210023)

(10/8/2013 7:33:10 PM) Message: The service cannot be started: Message-handling subsystem: The message manager for the default locale cannot be found. The locale will be changed to US English. Message-handling subsystem: The message manager for the default locale cannot be found. The locale will be changed to US English. File system error: The following error occurred while opening the file '\\?\D:\OLAP\Data\master.vmp'. (Source: \\?\L:\OLAP\Log\msmdsrv.log, Type: 3, Category: 289, Event ID: 0xC1210000)