This is the complete log text, and there is no .mst in it
=== Verbose logging started: 26/08/2015 22:14:34 Build type: SHIP UNICODE 5.00.10011.00 Calling process: C:\WINDOWS\system32\msiexec.exe ===
MSI (c) (5C:D8) [22:14:34:207]: Font created. Charset: Req=0, Ret=0, Font: Req=, Ret=Arial
MSI (c) (5C:D8) [22:14:34:207]: Font created. Charset: Req=0, Ret=0, Font: Req=, Ret=Arial
MSI (c) (5C:6C) [22:14:34:231]: Resetting cached policy values
MSI (c) (5C:6C) [22:14:34:231]: Machine policy value 'Debug' is 0
MSI (c) (5C:6C) [22:14:34:231]: ******* RunEngine:
******* Product: C:\Users\XXXXX\Downloads\Programs\iTunes6464Setup\iTunes6464.msi
******* Action:
******* CommandLine: **********
MSI (c) (5C:6C) [22:14:34:235]: Machine policy value 'DisableUserInstalls' is 0
MSI (c) (5C:6C) [22:14:34:263]: SOFTWARE RESTRICTION POLICY: Verifying package --> 'C:\Users\XXXXX\Downloads\Programs\iTunes6464Setup\iTunes6464.msi' against software restriction policy
MSI (c) (5C:6C) [22:14:34:265]: SOFTWARE RESTRICTION POLICY: C:\Users\XXXXX\Downloads\Programs\iTunes6464Setup\iTunes6464.msi has a digital signature
MSI (c) (5C:6C) [22:14:34:549]: SOFTWARE RESTRICTION POLICY: C:\Users\XXXXX\Downloads\Programs\iTunes6464Setup\iTunes6464.msi is permitted to run at the 'unrestricted' authorization level.
MSI (c) (5C:6C) [22:14:35:063]: Cloaking enabled.
MSI (c) (5C:6C) [22:14:35:063]: Attempting to enable all disabled privileges before calling Install on Server
MSI (c) (5C:6C) [22:14:35:066]: End dialog not enabled
MSI (c) (5C:6C) [22:14:35:066]: Original package ==> C:\Users\XXXXX\Downloads\Programs\iTunes6464Setup\iTunes6464.msi
MSI (c) (5C:6C) [22:14:35:066]: Package we're running from ==> C:\Users\XXXXX\Downloads\Programs\iTunes6464Setup\iTunes6464.msi
MSI (c) (5C:6C) [22:14:35:075]: APPCOMPAT: Compatibility mode property overrides found.
MSI (c) (5C:6C) [22:14:35:076]: APPCOMPAT: looking for appcompat database entry with ProductCode '{BFEAB774-C7DC-4032-B05A-DA5F7CB7B365}'.
MSI (c) (5C:6C) [22:14:35:076]: APPCOMPAT: no matching ProductCode found in database.
MSI (c) (5C:6C) [22:14:35:084]: MSCOREE not loaded loading copy from system32
MSI (c) (5C:6C) [22:14:35:094]: Machine policy value 'TransformsSecure' is 0
MSI (c) (5C:6C) [22:14:35:094]: User policy value 'TransformsAtSource' is 0
MSI (c) (5C:6C) [22:14:35:096]: Machine policy value 'DisablePatch' is 0
MSI (c) (5C:6C) [22:14:35:096]: Machine policy value 'AllowLockdownPatch' is 0
MSI (c) (5C:6C) [22:14:35:097]: Machine policy value 'DisableMsi' is 0
MSI (c) (5C:6C) [22:14:35:097]: Machine policy value 'AlwaysInstallElevated' is 0
MSI (c) (5C:6C) [22:14:35:097]: User policy value 'AlwaysInstallElevated' is 0
MSI (c) (5C:6C) [22:14:35:097]: Running product '{BFEAB774-C7DC-4032-B05A-DA5F7CB7B365}' with user privileges: It's not assigned.
MSI (c) (5C:6C) [22:14:35:097]: Machine policy value 'DisableLUAPatching' is 0
MSI (c) (5C:6C) [22:14:35:097]: Machine policy value 'DisableFlyWeightPatching' is 0
MSI (c) (5C:6C) [22:14:35:097]: Looking for storage transform: 1025
MSI (c) (5C:6C) [22:14:35:097]: Note: 1: 2203 2: 1025 3: -2147287038
DEBUG: Error 2203: Database: 1025. Cannot open database file. System error -2147287038
1: 2203 2: 1025 3: -2147287038
Error applying transforms. Verify that the specified transform paths are valid.
1025
MSI (c) (5C:6C) [22:14:35:098]: Note: 1: 1708
MSI (c) (5C:6C) [22:14:35:098]: Product: iTunes -- Installation failed.
MSI (c) (5C:6C) [22:14:35:099]: Windows Installer installed the product. Product Name: iTunes. Product Version: 12.2.2.25. Product Language: 1033. Manufacturer: Apple Inc.. Installation success or error status: 1624.
MSI (c) (5C:6C) [22:14:35:106]: MainEngineThread is returning 1624
=== Verbose logging stopped: 26/08/2015 22:14:35 ===