MSI (s) (A4:A4) : User will be allowed to modify contents of MSI (s) (A4:A4) : Opening per-machine managed SourceList. *Files-in-use prompt Click OK - no Rollback log (This is after I click OK)* Return value 2.ДЄction 15:47:13: Rollback.

MSI (s) (7C:B8) : I/O on thread 4296 could not be cancelled.ДЄction ended 15:47:13: InstallValidate. MSI (s) (7C:B8) : I/O on thread 408 could not be cancelled. MSI (c) (B0:C4) : PROPERTY CHANGE: Modifying WixUIRMOption *Files-in-use prompt Click cancel - Rollback log (This is after I click MSI (c) (B0:C4) : RESTART MANAGER: Session opened. MSI (s) (7C:50) : PROPERTY CHANGE: Modifying CostingComplete > this line doesn't exist in the successful installation MSI (s) (D0:A8) : PROPERTY CHANGE: Deleting MSI (s) (D0:A8) : User policy value 'AlwaysInstallElevated' isДЄction 14:37:48: GenerateScript. MSI (s) (D0:A8) : Machine policy value 'AlwaysInstallElevated' MSI (s) (D0:A8) : Doing action: InstallInitializeДЄction start 14:37:48: InstallInitialize. > this line doesn't exist in the files-in-use promptДЄction ended 14:37:48: InstallValidate. MSI (s) (D0:A8) : PROPERTY CHANGE: Modifying CostingComplete

>From what I can see, the difference between #1 and #2 is this lines (I mark EXE, deleting the AppDBCredentials.dll, and does NOT roll back Setup is complete' and click OK, and the installation finish with copying Selected 'Automatically close applications and attempt to restart them after installFailedToStartServiceNoRollback.log is the log file when the Installation fails because of missing DLL (AppDBCredentials.dll), and IД¬lick Cancel, and the installation rolled back previous versionДЈ. installFailedToStartServiceRollback.log is the log file when the installSuccess.log is the file when the installation was successful (noДў. InstallFailedToStartServiceNoRollback.logДЎ.

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