Question : Tivoli Storage Manager Backup  Archive Client App Crash DSM.EXE after installing on Windows Server 2008 R2 64 bit

DSM.exe is crashing right after installing version:
5.5.2.6 - TIV - TSMBAC - WinX64.exe

See details below:

Problem signature:
  Problem Event Name:      APPCRASH
  Application Name:      dsm.exe
  Application Version:      5.5.1.16
  Application Timestamp:      49a2e4fc
  Fault Module Name:      StackHash_6930
  Fault Module Version:      6.1.7600.16385
  Fault Module Timestamp:      4a5be02b
  Exception Code:      c0000374
  Exception Offset:      00000000000c6cd2
  OS Version:      6.1.7600.2.0.0.272.7
  Locale ID:      1033
  Additional Information 1:      6930
  Additional Information 2:      6930f4bc1c2c68d6556f4910e0bebf17
  Additional Information 3:      f031
  Additional Information 4:      f0310870d16b8068a43981163773372f

Answer : Tivoli Storage Manager Backup  Archive Client App Crash DSM.EXE after installing on Windows Server 2008 R2 64 bit

Windows Server 2008 R2 support starts with TSM V5.5.4. This is likely your issue.

See - http://www-01.ibm.com/support/docview.wss?rs=663&uid=swg21243309#winpart

Chris B