What is this file?

I was deleting some files this morning when I came upon this text document. It was in a folder with name made of what seemed to be random letters and numbers. I’ve been unable to delete it normally ( acess denied), but I’m thinking of using FileAssassin on it. However, before I do so, would deleting a text document hurt me, is there important info I may need in the future? Here’s a partial:

=== Verbose logging started: 12/20/2006 15:54:52 Build type: SHIP UNICODE 3.01.4000.2435 Calling process: C:\WINDOWS\system32\msiexec.exe ===
MSI © (30:FC) [15:54:52:325]: Resetting cached policy values
MSI © (30:FC) [15:54:52:325]: Machine policy value ‘Debug’ is 0
MSI © (30:FC) [15:54:52:325]: ******* RunEngine:
******* Product: c:\901005405cf3b2cce1\msxml.msi
******* Action:
******* CommandLine: **********
MSI © (30:FC) [15:54:52:325]: Client-side and UI is none or basic: Running entire install on the server.
MSI © (30:FC) [15:54:52:325]: Grabbed execution mutex.
MSI © (30:FC) [15:54:52:450]: Cloaking enabled.
MSI © (30:FC) [15:54:52:450]: Attempting to enable all disabled priveleges before calling Install on Server
MSI © (30:FC) [15:54:52:466]: Incrementing counter to disable shutdown. Counter after increment: 0
MSI (s) (44:E4) [15:54:52:482]: Grabbed execution mutex.
MSI (s) (44:58) [15:54:52:482]: Resetting cached policy values
MSI (s) (44:58) [15:54:52:482]: Machine policy value ‘Debug’ is 0
MSI (s) (44:58) [15:54:52:482]: ******* RunEngine:
******* Product: c:\901005405cf3b2cce1\msxml.msi
******* Action:
******* CommandLine: **********
MSI (s) (44:58) [15:54:52:497]: Machine policy value ‘DisableUserInstalls’ is 0
MSI (s) (44:58) [15:54:52:575]: File will have security applied from OpCode.
MSI (s) (44:58) [15:54:52:638]: SOFTWARE RESTRICTION POLICY: Verifying package --> ‘c:\901005405cf3b2cce1\msxml.msi’ against software restriction policy
MSI (s) (44:58) [15:54:52:638]: SOFTWARE RESTRICTION POLICY: c:\901005405cf3b2cce1\msxml.msi has a digital signature
MSI (s) (44:58) [15:54:53:107]: SOFTWARE RESTRICTION POLICY: c:\901005405cf3b2cce1\msxml.msi is permitted to run at the ‘unrestricted’ authorization level.
MSI (s) (44:58) [15:54:53:138]: End dialog not enabled
MSI (s) (44:58) [15:54:53:138]: Original package ==> c:\901005405cf3b2cce1\msxml.msi
MSI (s) (44:58) [15:54:53:138]: Package we’re running from ==> c:\WINDOWS\Installer\286a11.msi
MSI (s) (44:58) [15:54:53:154]: APPCOMPAT: looking for appcompat database entry with ProductCode ‘{37477865-A3F1-4772-AD43-AAFC6BCFF99F}’.
MSI (s) (44:58) [15:54:53:169]: APPCOMPAT: no matching ProductCode found in database.
MSI (s) (44:58) [15:54:53:169]: MSCOREE not loaded loading copy from system32
MSI (s) (44:58) [15:54:53:185]: Machine policy value ‘TransformsSecure’ is 0
MSI (s) (44:58) [15:54:53:185]: User policy value ‘TransformsAtSource’ is 0
MSI (s) (44:58) [15:54:53:185]: Machine policy value ‘DisablePatch’ is 0
MSI (s) (44:58) [15:54:53:185]: Machine policy value ‘AllowLockdownPatch’ is 0
MSI (s) (44:58) [15:54:53:185]: Machine policy value ‘DisableLUAPatching’ is 0
MSI (s) (44:58) [15:54:53:185]: Machine policy value ‘DisableFlyWeightPatching’ is 0
MSI (s) (44:58) [15:54:53:185]: APPCOMPAT: looking for appcompat database entry with ProductCode ‘{37477865-A3F1-4772-AD43-AAFC6BCFF99F}’.
MSI (s) (44:58) [15:54:53:185]: APPCOMPAT: no matching ProductCode found in database.
MSI (s) (44:58) [15:54:53:185]: Transforms are not secure.
MSI (s) (44:58) [15:54:53:185]: Command Line: REBOOT=ReallySuppress CURRENTDIRECTORY=c:\901005405cf3b2cce1 CLIENTUILEVEL=3 CLIENTPROCESSID=5680
MSI (s) (44:58) [15:54:53:185]: PROPERTY CHANGE: Adding PackageCode property. Its value is ‘{2B27DCD9-53FA-4885-B6CD-698623819F4C}’.
MSI (s) (44:58) [15:54:53:185]: Product Code passed to Engine.Initialize: ‘’
MSI (s) (44:58) [15:54:53:185]: Product Code from property table before transforms: ‘{37477865-A3F1-4772-AD43-AAFC6BCFF99F}’
MSI (s) (44:58) [15:54:53:185]: Product Code from property table after transforms: ‘{37477865-A3F1-4772-AD43-AAFC6BCFF99F}’
MSI (s) (44:58) [15:54:53:185]: Product not registered: beginning first-time install
MSI (s) (44:58) [15:54:53:185]: PROPERTY CHANGE: Adding ProductState property. Its value is ‘-1’.
MSI (s) (44:58) [15:54:53:200]: Entering CMsiConfigurationManager::SetLastUsedSource.
MSI (s) (44:58) [15:54:53:200]: User policy value ‘SearchOrder’ is ‘nmu’
MSI (s) (44:58) [15:54:53:200]: Adding new sources is allowed.
MSI (s) (44:58) [15:54:53:200]: PROPERTY CHANGE: Adding PackagecodeChanging property. Its value is ‘1’.
MSI (s) (44:58) [15:54:53:200]: Package name extracted from package path: ‘msxml.msi’
MSI (s) (44:58) [15:54:53:200]: Package to be registered: ‘msxml.msi’
MSI (s) (44:58) [15:54:53:200]: Note: 1: 2729
MSI (s) (44:58) [15:54:53:216]: Note: 1: 2729
MSI (s) (44:58) [15:54:53:216]: Note: 1: 2262 2: AdminProperties 3: -2147287038
MSI (s) (44:58) [15:54:53:216]: Machine policy value ‘DisableMsi’ is 0
MSI (s) (44:58) [15:54:53:216]: Machine policy value ‘AlwaysInstallElevated’ is 0
MSI (s) (44:58) [15:54:53:216]: User policy value ‘AlwaysInstallElevated’ is 0
MSI (s) (44:58) [15:54:53:216]: Product installation will be elevated because user is admin and product is being installed per-machine.
MSI (s) (44:58) [15:54:53:216]: Running product ‘{37477865-A3F1-4772-AD43-AAFC6BCFF99F}’ with elevated privileges: Product is assigned.
MSI (s) (44:58) [15:54:53:216]: PROPERTY CHANGE: Adding REBOOT property. Its value is ‘ReallySuppress’.
MSI (s) (44:58) [15:54:53:216]: PROPERTY CHANGE: Adding CURRENTDIRECTORY property. Its value is ‘c:\901005405cf3b2cce1’.
MSI (s) (44:58) [15:54:53:216]: PROPERTY CHANGE: Adding CLIENTUILEVEL property. Its value is ‘3’.
MSI (s) (44:58) [15:54:53:216]: PROPERTY CHANGE: Adding CLIENTPROCESSID property. Its value is ‘5680’.
MSI (s) (44:58) [15:54:53:216]: TRANSFORMS property is now:
MSI (s) (44:58) [15:54:53:216]: PROPERTY CHANGE: Adding VersionDatabase property. Its value is ‘200’.
MSI (s) (44:58) [15:54:53:216]: SHELL32::SHGetFolderPath returned: C:\WINDOWS\system32\config\systemprofile\Application Data
MSI (s) (44:58) [15:54:53:232]: SHELL32::SHGetFolderPath returned: C:\WINDOWS\system32\config\systemprofile\Favorites
MSI (s) (44:58) [15:54:53:232]: SHELL32::SHGetFolderPath returned: C:\WINDOWS\system32\config\systemprofile\NetHood
MSI (s) (44:58) [15:54:53:232]: SHELL32::SHGetFolderPath returned: C:\WINDOWS\system32\config\systemprofile\My Documents
MSI (s) (44:58) [15:54:53:232]: SHELL32::SHGetFolderPath returned: C:\WINDOWS\system32\config\systemprofile\PrintHood
MSI (s) (44:58) [15:54:53:232]: SHELL32::SHGetFolderPath returned: C:\WINDOWS\system32\config\systemprofile\Recent
MSI (s) (44:58) [15:54:53:232]: SHELL32::SHGetFolderPath returned: C:\WINDOWS\system32\config\systemprofile\SendTo
MSI (s) (44:58) [15:54:53:247]: SHELL32::SHGetFolderPath returned: C:\WINDOWS\system32\config\systemprofile\Templates
MSI (s) (44:58) [15:54:53:247]: SHELL32::SHGetFolderPath returned: C:\Documents and Settings\All Users\Application Data
MSI (s) (44:58) [15:54:53:247]: SHELL32::SHGetFolderPath returned: C:\WINDOWS\system32\config\systemprofile\Local Settings\Application Data
MSI (s) (44:58) [15:54:53:247]: SHELL32::SHGetFolderPath returned: C:\WINDOWS\system32\config\systemprofile\My Documents\My Pictures
MSI (s) (44:58) [15:54:53:263]: SHELL32::SHGetFolderPath returned: C:\Documents and Settings\All Users\Start Menu\Programs\Administrative Tools
MSI (s) (44:58) [15:54:53:263]: SHELL32::SHGetFolderPath returned: C:\Documents and Settings\All Users\Start Menu\Programs\Startup
MSI (s) (44:58) [15:54:53:263]: SHELL32::SHGetFolderPath returned: C:\Documents and Settings\All Users\Start Menu\Programs
MSI (s) (44:58) [15:54:53:263]: SHELL32::SHGetFolderPath returned: C:\Documents and Settings\All Users\Start Menu
MSI (s) (44:58) [15:54:53:279]: SHELL32::SHGetFolderPath returned: C:\Documents and Settings\All Users\Desktop
MSI (s) (44:58) [15:54:53:279]: SHELL32::SHGetFolderPath returned: C:\WINDOWS\system32\config\systemprofile\Start Menu\Programs\Administrative Tools
MSI (s) (44:58) [15:54:53:279]: SHELL32::SHGetFolderPath returned: C:\WINDOWS\system32\config\systemprofile\Start Menu\Programs\Startup
MSI (s) (44:58) [15:54:53:279]: SHELL32::SHGetFolderPath returned: C:\WINDOWS\system32\config\systemprofile\Start Menu\Programs
MSI (s) (44:58) [15:54:53:279]: SHELL32::SHGetFolderPath returned: C:\WINDOWS\system32\config\systemprofile\Start Menu
MSI (s) (44:58) [15:54:53:294]: SHELL32::SHGetFolderPath returned: C:\WINDOWS\system32\config\systemprofile\Desktop
MSI (s) (44:58) [15:54:53:294]: SHELL32::SHGetFolderPath returned: C:\Documents and Settings\All Users\Templates
MSI (s) (44:58) [15:54:53:294]: SHELL32::SHGetFolderPath returned: C:\WINDOWS\Fonts
MSI (s) (44:58) [15:54:53:294]: Note: 1: 2898 2: MS Sans Serif 3: MS Sans Serif 4: 0 5: 16
MSI (s) (44:58) [15:54:53:294]: PROPERTY CHANGE: Adding Privileged property. Its value is ‘1’.
MSI (s) (44:58) [15:54:53:294]: Note: 1: 1402 2: HKEY_CURRENT_USER\Software\Microsoft\MS Setup (ACME)\User Info 3: 2
MSI (s) (44:58) [15:54:53:294]: PROPERTY CHANGE: Adding USERNAME property. Its value is ’ '.
MSI (s) (44:58) [15:54:53:294]: Note: 1: 1402 2: HKEY_CURRENT_USER\Software\Microsoft\MS Setup (ACME)\User Info 3: 2
MSI (s) (44:58) [15:54:53:294]: PROPERTY CHANGE: Adding DATABASE property. Its value is ‘c:\WINDOWS\Installer\286a11.msi’.
MSI (s) (44:58) [15:54:53:294]: PROPERTY CHANGE: Adding OriginalDatabase property. Its value is ‘c:\901005405cf3b2cce1\msxml.msi’.
MSI (s) (44:58) [15:54:53:310]: Note: 1: 2205 2: 3: PatchPackage
MSI (s) (44:58) [15:54:53:310]: Machine policy value ‘DisableRollback’ is 0
MSI (s) (44:58) [15:54:53:310]: User policy value ‘DisableRollback’ is 0
MSI (s) (44:58) [15:54:53:310]: PROPERTY CHANGE: Adding UILevel property. Its value is ‘2’.
=== Logging started: 12/20/2006 15:54:53 ===
MSI (s) (44:58) [15:54:53:310]: PROPERTY CHANGE: Adding ACTION property. Its value is ‘INSTALL’.
MSI (s) (44:58) [15:54:53:310]: Doing action: INSTALL
MSI (s) (44:58) [15:54:53:310]: Running ExecuteSequence
MSI (s) (44:58) [15:54:53:310]: Doing action: DesktopFolder.4576A2F1_959E_4BCA_94A9_596523761901
Action start 15:54:53: INSTALL.
MSI (s) (44:58) [15:54:53:310]: PROPERTY CHANGE: Adding DesktopFolder.4576A2F1_959E_4BCA_94A9_596523761901 property. Its value is ‘C:\Documents and Settings\All Users\Desktop’.
Action start 15:54:53: DesktopFolder.4576A2F1_959E_4BCA_94A9_596523761901.
MSI (s) (44:58) [15:54:53:310]: Doing action: ProgramMenuFolder.4576A2F1_959E_4BCA_94A9_596523761901
Action ended 15:54:53: DesktopFolder.4576A2F1_959E_4BCA_94A9_596523761901. Return value 1.
MSI (s) (44:58) [15:54:53:310]: PROPERTY CHANGE: Adding ProgramMenuFolder.4576A2F1_959E_4BCA_94A9_596523761901 property. Its value is ‘C:\Documents and Settings\All Users\Start Menu\Programs’.
Action start 15:54:53: ProgramMenuFolder.4576A2F1_959E_4BCA_94A9_596523761901.
MSI (s) (44:58) [15:54:53:310]: Doing action: WindowsFolder.0E9F98FC_A692_A6DF_FF6B_D6B9ABF34537
Action ended 15:54:53: ProgramMenuFolder.4576A2F1_959E_4BCA_94A9_596523761901. Return value 1.
MSI (s) (44:58) [15:54:53:310]: PROPERTY CHANGE: Adding WindowsFolder.0E9F98FC_A692_A6DF_FF6B_D6B9ABF34537 property. Its value is ‘C:\WINDOWS’.
Action start 15:54:53: WindowsFolder.0E9F98FC_A692_A6DF_FF6B_D6B9ABF34537.
MSI (s) (44:58) [15:54:53:310]: Doing action: SystemFolder.0E9F98FC_A692_A6DF_FF6B_D6B9ABF34537
Action ended 15:54:53: WindowsFolder.0E9F98FC_A692_A6DF_FF6B_D6B9ABF34537. Return value 1.
MSI (s) (44:58) [15:54:53:325]: PROPERTY CHANGE: Adding SystemFolder.0E9F98FC_A692_A6DF_FF6B_D6B9ABF34537 property. Its value is ‘C:\WINDOWS\system32’.
Action start 15:54:53: SystemFolder.0E9F98FC_A692_A6DF_FF6B_D6B9ABF34537.
MSI (s) (44:58) [15:54:53:325]: Doing action: WindowsFolder.DA6654F6_456F_3658_FF6B_D6B9ABF34537
Action ended 15:54:53: SystemFolder.0E9F98FC_A692_A6DF_FF6B_D6B9ABF34537. Return value 1.
MSI (s) (44:58) [15:54:53:325]: PROPERTY CHANGE: Adding WindowsFolder.DA6654F6_456F_3658_FF6B_D6B9ABF34537 property. Its value is ‘C:\WINDOWS’.
Action start 15:54:53: WindowsFolder.DA6654F6_456F_3658_FF6B_D6B9ABF34537.
MSI (s) (44:58) [15:54:53:325]: Doing action: SystemFolder.DA6654F6_456F_3658_FF6B_D6B9ABF34537
Action ended 15:54:53: WindowsFolder.DA6654F6_456F_3658_FF6B_D6B9ABF34537. Return value 1.
MSI (s) (44:58) [15:54:53:325]: PROPERTY CHANGE: Adding SystemFolder.DA6654F6_456F_3658_FF6B_D6B9ABF34537 property. Its value is ‘C:\WINDOWS\system32’.
Action start 15:54:53: SystemFolder.DA6654F6_456F_3658_FF6B_D6B9ABF34537.
MSI (s) (44:58) [15:54:53:325]: Doing action: WindowsFolder.7B2FCEFF_0F22_B7E1_FF6B_D6B9ABF34537
Action ended 15:54:53: SystemFolder.DA6654F6_456F_3658_FF6B_D6B9ABF34537. Return value 1.
MSI (s) (44:58) [15:54:53:325]: PROPERTY CHANGE: Adding WindowsFolder.7B2FCEFF_0F22_B7E1_FF6B_D6B9ABF34537 property. Its value is ‘C:\WINDOWS’.
Action start 15:54:53: WindowsFolder.7B2FCEFF_0F22_B7E1_FF6B_D6B9ABF34537.
MSI (s) (44:58) [15:54:53:325]: Doing action: SystemFolder.7B2FCEFF_0F22_B7E1_FF6B_D6B9ABF34537
Action ended 15:54:53: WindowsFolder.7B2FCEFF_0F22_B7E1_FF6B_D6B9ABF34537. Return value 1.
MSI (s) (44:58) [15:54:53:325]: PROPERTY CHANGE: Adding SystemFolder.7B2FCEFF_0F22_B7E1_FF6B_D6B9ABF34537 property. Its value is ‘C:\WINDOWS\system32’.
Action start 15:54:53: SystemFolder.7B2FCEFF_0F22_B7E1_FF6B_D6B9ABF34537.
MSI (s) (44:58) [15:54:53:341]: Doing action: SystemFolder.FA0F135B_0C6B_485B_9A27_5A4A5044D5AB
Action ended 15:54:53: SystemFolder.7B2FCEFF_0F22_B7E1_FF6B_D6B9ABF34537. Return value 1.
MSI (s) (44:58) [15:54:53:341]: PROPERTY CHANGE: Adding SystemFolder.FA0F135B_0C6B_485B_9A27_5A4A5044D5AB property. Its value is ‘C:\WINDOWS\system32’.
Action start 15:54:53: SystemFolder.FA0F135B_0C6B_485B_9A27_5A4A5044D5AB.
MSI (s) (44:58) [15:54:53:341]: Doing action: SystemFolder.781A0624_31FF_4712_BFFD_31C829FFDBF1
Action ended 15:54:53: SystemFolder.FA0F135B_0C6B_485B_9A27_5A4A5044D5AB. Return value 1.
MSI (s) (44:58) [15:54:53:341]: PROPERTY CHANGE: Adding SystemFolder.781A0624_31FF_4712_BFFD_31C829FFDBF1 property. Its value is ‘C:\WINDOWS\system32’.
Action start 15:54:53: SystemFolder.781A0624_31FF_4712_BFFD_31C829FFDBF1.
MSI (s) (44:58) [15:54:53:341]: Doing action: SystemFolder.246EB7AD_459A_4FA8_83D1_41A46D7634B7
Action ended 15:54:53: SystemFolder.781A0624_31FF_4712_BFFD_31C829FFDBF1. Return value 1.
MSI (s) (44:58) [15:54:53:341]: PROPERTY CHANGE: Adding SystemFolder.246EB7AD_459A_4FA8_83D1_41A46D7634B7 property. Its value is ‘C:\WINDOWS\system32’.
Action start 15:54:53: SystemFolder.246EB7AD_459A_4FA8_83D1_41A46D7634B7.
MSI (s) (44:58) [15:54:53:341]: Doing action: LaunchConditions
Action ended 15:54:53: SystemFolder.246EB7AD_459A_4FA8_83D1_41A46D7634B7. Return value 1.
Action start 15:54:53: LaunchConditions.
MSI (s) (44:58) [15:54:53:341]: Doing action: FindRelatedProducts
Action ended 15:54:53: LaunchConditions. Return value 1.
Action start 15:54:53: FindRelatedProducts.
MSI (s) (44:58) [15:54:53:341]: Doing action: AppSearch
Action ended 15:54:53: FindRelatedProducts. Return value 1.
Action start 15:54:53: AppSearch.
MSI (s) (44:58) [15:54:53:357]: Note: 1: 2262 2: Signature 3: -2147287038
MSI (s) (44:58) [15:54:53:357]: PROPERTY CHANGE: Adding WINHTTP_51 property. Its value is ‘WinHttpRequest Component version 5.1’.
MSI (s) (44:58) [15:54:53:357]: Skipping action: CCPSearch (condition is false)
MSI (s) (44:58) [15:54:53:357]: Skipping action: RMCCPSearch (condition is false)
MSI (s) (44:58) [15:54:53:357]: Doing action: ValidateProductID
Action ended 15:54:53: AppSearch. Return value 1.
Action start 15:54:53: ValidateProductID.
MSI (s) (44:58) [15:54:53:357]: Doing action: CostInitialize
Action ended 15:54:53: ValidateProductID. Return value 1.
MSI (s) (44:58) [15:54:53:357]: Machine policy value ‘MaxPatchCacheSize’ is 10
Action start 15:54:53: CostInitialize.
MSI (s) (44:58) [15:54:53:388]: PROPERTY CHANGE: Adding ROOTDRIVE property. Its value is ‘c:’.
MSI (s) (44:58) [15:54:53:388]: PROPERTY CHANGE: Adding CostingComplete property. Its value is ‘0’.
MSI (s) (44:58) [15:54:53:388]: Note: 1: 2205 2: 3: Patch
MSI (s) (44:58) [15:54:53:388]: Note: 1: 2205 2: 3: PatchPackage
MSI (s) (44:58) [15:54:53:388]: Note: 1: 2205 2: 3: MsiPatchHeaders
MSI (s) (44:58) [15:54:53:388]: Note: 1: 2205 2: 3: __MsiPatchFileList
MSI (s) (44:58) [15:54:53:388]: Note: 1: 2205 2: 3: PatchPackage
MSI (s) (44:58) [15:54:53:388]: Note: 1: 2228 2: 3: PatchPackage 4: SELECT DiskId, PatchId, LastSequence FROM Media, PatchPackage WHERE Media.DiskId=PatchPackage.Media_ ORDER BY DiskId
MSI (s) (44:58) [15:54:53:388]: Doing action: FileCost
Action ended 15:54:53: CostInitialize. Return value 1.
MSI (s) (44:58) [15:54:53:388]: Note: 1: 2262 2: Extension 3: -2147287038
Action start 15:54:53: FileCost.
MSI (s) (44:58) [15:54:53:388]: Doing action: CostFinalize
Action ended 15:54:53: FileCost. Return value 1.
MSI (s) (44:58) [15:54:53:388]: PROPERTY CHANGE: Adding OutOfDiskSpace property. Its value is ‘0’.
MSI (s) (44:58) [15:54:53:388]: PROPERTY CHANGE: Adding OutOfNoRbDiskSpace property. Its value is ‘0’.
MSI (s) (44:58) [15:54:53:388]: PROPERTY CHANGE: Adding PrimaryVolumeSpaceAvailable property. Its value is ‘0’.
MSI (s) (44:58) [15:54:53:388]: PROPERTY CHANGE: Adding PrimaryVolumeSpaceRequired property. Its value is ‘0’.
MSI (s) (44:58) [15:54:53:388]: PROPERTY CHANGE: Adding PrimaryVolumeSpaceRemaining property. Its value is ‘0’.
MSI (s) (44:58) [15:54:53:388]: Note: 1: 2205 2: 3: Patch
MSI (s) (44:58) [15:54:53:388]: PROPERTY CHANGE: Adding TARGETDIR property. Its value is ‘c:’.
MSI (s) (44:58) [15:54:53:388]: PROPERTY CHANGE: Modifying WindowsFolder property. Its current value is ‘C:\WINDOWS’. Its new value: ‘c:\WINDOWS’.
MSI (s) (44:58) [15:54:53:388]: PROPERTY CHANGE: Modifying CommonFilesFolder property. Its current value is ‘C:\Program Files\Common Files’. Its new value: ‘c:\Program Files\Common Files’.
MSI (s) (44:58) [15:54:53:388]: PROPERTY CHANGE: Adding MicrosoftShared.3FB7DAB3_19E7_40A0_8730_4482CE77AC59 property. Its value is ‘c:\Program Files\Common Files\Microsoft Shared’.

Well, according to this site, it is most likely the installer log file for a Windows update:

Windows XP MSXML 4.0 SP2 Security Update (KB927978) Saturday, November 18, 2006 Automatic Updates

General consensus there is that this is just a log file, and can be deleted safely.

Have you tried restarting? It may be locked because the install isn’t finished until reboot.