Perflib_Perfdataxxx.dat（perflib_perfdata_238.dat ）檔案是怎麼產生的

問：
最近木馬清道夫總是提示c:/winnt/system32下建立了 perflib_perfdata_238.dat 檔案夾，或者是perflib_perfdata_*.dat     *是其他數字。 但我去system32下找確找不到這個檔案夾。
 
答：
perflib_perfdata××××.dat這個檔案中的xxx是隨機的數字，只有在系統非順利關機的時候，比如沒有開始——>關機，而是直接按關機按鈕關機，
需要注意的是，在系統進行中一些操作的時候關機，比如正在搜尋一個檔案，。。
系統沒辦法自動清除這些檔案，只有手動寫批處理，載入開機運行指令碼清除。

參考資料：
http://support.microsoft.com/default.aspx?scid=kb;en-us;285798
Perflib_Perfdataxxx.dat Files Accumulate Under %SystemRoot%/System32View products that this article applies to.

Article ID	:	285798
Last Review	:	March 1, 2007
Revision	:	3.3

This article was previously published under Q285798SUMMARY

Files with the name Perflib_Perfdataxxx.dat may accumulate under the %SystemRoot%/System32 folder, where xxx is a random number. MORE INFORMATION

These files are generated by processes in the normal course of operation; however, files are orphaned when you do not shut down a computer properly, such as by pressing the power button on a computer.

Note: It is also possible that these files can be orphaned while a server is running. Microsoft is researching this problem and will post more information in this article when the information becomes available.

To delete the orphaned files, you can use an automated logon script.

APPLIES TO

•	Microsoft Windows 2000 Server
•	Microsoft Windows 2000 Advanced Server
•	Microsoft Windows 2000 Professional Edition
•	Microsoft Windows 2000 Datacenter Server