Versions

6.3.9600.16384 (winblue_rtm.130821-1623)	3.96%
6.2.9200.16384 (win8_rtm.120725-1247)	16.74%
6.2.9200.16384 (win8_rtm.120725-1247)	1.32%
6.2.8400.0 (winmain_win8rc.120518-1423)	0.44%
6.1.7600.16385 (win7_rtm.090713-1255)	29.96%
6.1.7600.16385 (win7_rtm.090713-1255)	28.63%
6.0.6000.16386 (vista_rtm.061101-2205)	4.85%
5.01.1111	3.96%
5.01.1110	9.69%
5.01.1108	0.44%

This is a Windows system installed file with Windows File Protection (WFP) enabled.

mqsvc.exe has 10 known versions, the most recent one is 6.3.9600.16384 (winblue_rtm.130821-1623). It is started as a Windows Service called 'Accodamento messaggi' with the name 'MSMQ' and described as “Fornisce una infrastruttura di messaggistica e uno strumento di sviluppo per la creazione di applicazioni di messaggistica distribuita per reti e programmi Windows. Se il servizio viene arrestato, i messaggi distribuiti non saranno disponibili. Se il servizio viene disabilitato, i servizi da esso esplicitamente dipendenti non verranno avviati.”. . The average file size is about 13.6 KB. This is a .NET Common Language Runtime (CLR) assembly. During the process's lifecycle, the typical CPU resource utilization is about 0.0011% including both foreground and background operations, the average private memory consumption is about 4.3 MB with the maximum memory reaching around 7.08 MB. Addionally, typically read and write I/O disk operations is about 3.13 KB per minute for reads and 240 Bytes per minute for writes.

Microsoft Message Queuing or MSMQ is a Message Queue implementation. MSMQ is essentially a messaging protocol that allows applications running on separate servers/processes to communicate in a failsafe manner. A queue is a temporary storage location from which messages can be sent and received reliably, as and when conditions permit.