Windows Log Files by Windows

What is Windows Log Files?

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Overview

How do I clean Windows Log Files?

Windows Log Files may store excess, temporary data on your computer that can take up valuable space. It may also store private data such as passwords or browsing history in the registry or on the file system. The easiest way to erase this data is by downloading AppCleaner, it is 100% free and about 1MB in size. A portable version is also available.

Clean Windows Log Files
with AppCleaner

If you want to clean Windows Log Files manually, you can follow the steps outlined below. There are thirty-two locations in the file system where Windows Log Files stores data that can be cleaned.

Files

To clean your file system from files stored by Windows Log Files and to gain free disk space, examine the following file system locations. First of all, open a command prompt window:

• Hit the Windows key , usually located in the lower left of your keyboard between the Ctrl and Alt keys.
• Windows XP/Vista/7: Click Run...
• Type cmd
• Hit Enter

Now list all the files stored by Windows Log Files that can be cleaned:

1. Type dir %windir%\system32\wbem\Logs\*.log
   • On 64-Bit also: Type dir %windir%\syswow64\wbem\Logs\*.log
2. Type dir %windir%\system32\wbem\Logs\*.lo_
   • On 64-Bit also: Type dir %windir%\syswow64\wbem\Logs\*.lo_
3. Type dir %WinDir%\*.log
4. Type dir %WinDir%\*.bak
5. Type dir %WinDir%\*log.txt
6. Type dir %ALLUSERSPROFILE%\Microsoft\Dr Watson\*.log
   • Windows XP: Type dir %ALLUSERSPROFILE%\Application Data\Microsoft\Dr Watson\*.log
7. Type dir %ALLUSERSPROFILE%\Microsoft\Dr Watson\*.dmp
   • Windows XP: Type dir %ALLUSERSPROFILE%\Application Data\Microsoft\Dr Watson\*.dmp
8. Type dir /s %WinDir%\Debug\*.log
9. Type dir /s %WinDir%\Debug\*.bak
10. Type dir %WinDir%\SchedLgU.txt
11. Type dir %WinDir%\security\logs\*.log
12. Type dir %WinDir%\security\logs\*.old
13. Type dir %WinDir%\SoftwareDistribution\*.log
14. Type dir /s %WinDir%\Logs\*.log
15. Type dir /s %WinDir%\ServiceProfiles\LocalService\AppData\*.log
16. Type dir /s %WinDir%\ServiceProfiles\NetworkService\AppData\*.log
17. Type dir /s %LOCALAPPDATA%\Microsoft\Windows\*.log
    • Windows XP: Type dir /s %USERPROFILE%\Local Settings\Application Data\Microsoft\Windows\*.log
18. Type dir /s %APPDATA%\Microsoft\Windows\*.log
19. Type dir /s %WinDir%\Microsoft.NET\*.log
20. Type dir %LOCALAPPDATA%\MigWiz\*.log
    • Windows XP: Type dir %USERPROFILE%\Local Settings\Application Data\MigWiz\*.log
21. Type dir %LOCALAPPDATA%\MigWiz\*.xml
    • Windows XP: Type dir %USERPROFILE%\Local Settings\Application Data\MigWiz\*.xml
22. Type dir %WinDir%\inf\setupapi.app.log
23. Type dir %WinDir%\inf\setupapi.dev.log
24. Type dir %WinDir%\Panther\UnattendGC\setupact.log
25. Type dir %WinDir%\Panther\UnattendGC\setuperr.log
26. Type dir %WinDir%\Panther\setupact.log
27. Type dir %WinDir%\Panther\setuperr.log
28. Type dir %WinDir%\inf\*.log
29. Type dir %WinDir%\inf\*.log
30. Type dir %WinDir%\inf\*.log*
31. Type dir %WinDir%\inf\*.log*
32. Type dir %WinDir%\inf\*.log*
33. Type dir %WinDir%\Panther\cbs.log
34. Type dir %WinDir%\Panther\DDACLSys.log
35. Type dir %WinDir%\Panther\miglog.xml
36. Type dir %WinDir%\Panther\Migrep.html
37. Type dir %WinDir%\Panther\PostGatherPnPList.log
38. Type dir %WinDir%\Panther\PreGatherPnPList.log
39. Type dir %WinDir%\winsxs\poqexec.log
40. Type dir %WinDir%\debug\WIA\*.log
41. Type dir %WinDir%\SIGVERIF.TXT
42. Type dir %WinDir%\System32\sysprep\Panther\IE\diagerr.xml
43. Type dir %WinDir%\System32\sysprep\Panther\IE\diagwrn.xml
44. Type dir %WinDir%\Panther\UnattendGC\diagerr.xml
45. Type dir %WinDir%\Panther\UnattendGC\diagwrn.xml
46. Type dir %WinDir%\Panther\FastCleanup\*.log

Once you have identified the files stored by Windows Log Files that you want to clean, delete them using the del command or Windows Explorer.

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