I've Microsoft exchange server 2007 service pack 1 , it was working well .
suddenly I tried to open Queue viewer from exchange management console but below message appears :
MMC can not open file C:\program files\Microsoft\Exchange Server\bin\exchangeQueue viewer.msc
attached is more detail .
I tried to update MMC , but the server is up to date .
I downloaded all Update on that server but no changes , the problem still occur .
Nevertheles, the MMC is working fine on that server .
Could you please help us to solve this issue ?