[XPERIA X1 ROM Development] killer8nl:
here's a sort log from the files:

WARNING: 'LangDB' contains corrupted cert data!
WARNING: 'OEMDriversHigh' contains corrupted cert data!
WARNING: 'OEMXIPKERNEL' contains corrupted cert data!
WARNING: 'OEMDrivers' contains corrupted cert data!
WARNING: 'OEMMISC' contains corrupted cert data!
WARNING: 'OEM_DPI_192' contains corrupted cert data!
WARNING: 'OEM_Lang_0409' contains corrupted cert data!

[Versions]
SYS: 5.2.21436 5036
SYS: 2.0.7045 0
OEM: 5.2.0 5036

[Certificates]
Microsoft Windows Mobile Firmware CA

[Packages]
5.2.21436 5036 AUTOUPDATE
5.2.21436 5036 MSXIPKernelLTK
5.2.21436 5036 SMIME
5.2.21436 5036 Bth_A2DP
5.2.21436 5036 SqlCeMobile
5.2.21436 5036 WindowsLive
5.2.21436 5036 AdobeFlashCodecs
5.2.21436 5036 DRM
5.2.21436 5036 Skymarket
5.2.21436 5036 CHome
5.2.21436 5036 MediaOS
5.2.21436 5036 RUNTIMES
5.2.21436 5036 FWUPDATE
5.2.21436 5036 WMMoneyWidget
5.2.21436 5036 WWAN
5.2.21436 5036 LockscreenNonEA
5.2.21436 5036 MSXIPKernel
5.2.0 5036 LangDB
5.2.21436 5036 ppgprov
5.2.21436 5036 WinCENLS_WWE
5.2.21436 5036 OneNote
5.2.21436 5036 SampleMusic
5.2.21436 5036 Bth_Watch
5.2.21436 5036 Transcriber
5.2.21436 5036 ConfettiCore
5.2.21436 5036 IPSECVPN
5.2.21436 5036 SQM
5.2.21436 5036 WindowsLiveIM
5.2.21436 5036 BaseAppsFiles
5.2.21436 5036 MediaOSFiles
5.2.21436 5036 Bth_HID
5.2.21436 5036 Enterprise
2.0.7045 0 NetCF
5.2.21436 5036 Skybox
5.2.21436 5036 Themes
5.2.21436 5036 BronzeNonEA
5.2.21436 5036 Entertainment
5.2.21436 5036 Lockscreen
5.2.21436 5036 SQLCE
5.2.21436 5036 WMWeatherWidget
5.2.0 5036 OEMDriversHigh
5.2.21436 5036 OSFiles
5.2.21436 5036 bronze
5.2.21436 5036 WMWidgets
5.2.21436 5036 WMLiveSearchWidget
5.2.21436 5036 BROWSINGCORE
5.2.21436 5036 AdobeFlash
0.0.0 0 Metadata
5.2.21436 5036 OneNote_lang_0409
5.2.21436 5036 WMWidgets_LANG_0409
5.2.21436 5036 WindowsLive_DPI_192
5.2.21436 5036 Fwupdate_Lang_0409
5.2.21436 5036 MediaOS_Lang_0409
5.2.21436 5036 Entertainment_Lang_0409_DPI_192
5.2.21436 5036 Bronze_DPI_192
5.2.21436 5036 IPSECVPN_Lang_0409
5.2.21436 5036 WindowsLive_Lang_0409
5.2.21436 5036 Transcriber_Lang_0409_DPI_192
5.2.21436 5036 Bth_HID_Lang_0409
5.2.21436 5036 Enterprise_Lang_0409_DPI_192
5.2.21436 5036 OS
- rundll32.exe is missing!
- umarshaller.exe is missing!
5.2.21436 5036 CHome_DPI_192
5.2.21436 5036 Lockscreen_DPI_192
5.2.21436 5036 Skymarket_Lang_0409
5.2.21436 5036 Bth_A2DP_Lang_0409
5.2.21436 5036 Transcriber_Lang_0409
5.2.21436 5036 Themes_Lang_0409_DPI_192_RESH_480_RESV_800
5.2.21436 5036 MediaOS_dpi_192_resh_480_resv_800
5.2.21436 5036 Entertainment_Lang_0409
5.2.21436 5036 Skybox_Lang_0409
5.2.21436 5036 BROWSING
5.2.21436 5036 Enterprise_DPI_192
5.2.21436 5036 Entertainment_DPI_192
5.2.21436 5036 SqlCeMobile_Lang_0409
5.2.21436 5036 Autoupdate_Lang_0409
5.2.21436 5036 Themes_DPI_192
5.2.21436 5036 AdobeFlash_LANG_0409
5.2.21436 5036 CHome_Lang_0409
5.2.21436 5036 Bth_Watch_Lang_0409
5.2.21436 5036 Enterprise_Lang_0409
5.2.21436 5036 IPSECVPN_DPI_192
5.2.21436 5036 WelcomeCenter
5.2.21436 5036 Browsing_DPI_192
5.2.21436 5036 Browsing_Lang_0409
5.2.21436 5036 BaseApps
5.2.21436 5036 WelcomeCenter_Lang_0409
5.2.21436 5036 browsingie
5.2.21436 5036 Office
5.2.21436 5036 Office_DPI_192
5.2.21436 5036 Office_Lang_0409
5.2.21436 5036 Office_Lang_0409_DPI_192
5.2.21436 5036 browsingie_LANG_0409
5.2.21436 5036 Shell
- CertInstaller.exe is missing!
- tskscheduleu.exe is missing!
5.2.21436 5036 Base_DPI_192
5.2.21436 5036 base_dpi_192_resh_480_resv_800
5.2.21436 5036 Base_Lang_0409_DPI_192_RESH_480_RESV_800
5.2.21436 5036 Base_Lang_0409
5.2.21436 5036 Base_Lang_0409_DPI_192
5.2.21436 5036 PhoneRedist
5.2.0 5036 OEMXIPKERNEL
5.2.21436 5036 Redist
5.2.21436 5036 Phone
5.2.21436 5036 PhoneRedist_DPI_192
5.2.21436 5036 Redist_Lang_0409
5.2.21436 5036 Phone_Lang_0409
5.2.21436 5036 Phone_DPI_192
5.2.21436 5036 Redist_dpi_192_resh_480_resv_800
5.2.21436 5036 Redist_DPI_192
5.2.21436 5036 PhoneRedist_Lang_0409_DPI_192
5.2.21436 5036 Redist_Lang_0409_DPI_192
5.2.21436 5036 Phone_dpi_192_resh_480_resv_800
5.2.21436 5036 Phone_Lang_0409_DPI_192
5.2.21436 5036 PhoneRedist_Lang_0409
5.2.21436 5036 CommonNonEA
5.2.21436 5036 Bluetooth
5.2.21436 5036 Bluetooth_Lang_0409
5.2.21436 5036 INTERNETSHARING
5.2.0 5036 OEMDrivers
5.2.0 5036 OEMMISC
5.2.0 5036 OEM_DPI_192
5.2.0 5036 OEM_Lang_0409

Same files seems to be missing or do atleast look like corrupt again