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中国DOS联盟论坛 » 其它操作系统综合讨论区 » Why can a file that has been changed to system attributes using attrib still be deleted? View 1,758　Replies 5
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Original Poster Posted 2006-12-19 22:20　·　 中国 广西 贵港 电信
chainliq
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attrib "C:\Program Files\QQ2007\npkcrypt.sys" +s +r +h
Hehe, this is mainly because there are too many recent QQ trojans. The main thing is to delete the following files in the QQ directory:
pkcrypt.sys
npkcusb.sys
npkcrypt.vxd These few files lead to failure in confidentiality encryption!

Why did I change it to read-only, hidden, and system attributes, but it is still deleted? How can I change it to ensure that it can only be read but not deleted? Please give your advice, thank you!

[ Last edited by chainliq on 2006-12-19 at 10:22 PM ]
Floor 2 Posted 2006-12-19 22:52　·　 中国 四川 南充 营山县 电信
不得不爱
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If a file is in use, it cannot be deleted.
我的网络U盘 我的网络第2个U盘
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Floor 3 Posted 2006-12-20 07:30　·　 中国 山东 济南 移动
Michael
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简单就是美
Floor 4 Posted 2006-12-20 09:37　·　 中国 广西 贵港 电信
chainliq
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By hand, you can set it to refuse deletion, but why can't it be done with batch processing!
Floor 5 Posted 2006-12-20 10:33　·　 中国 湖北 武汉 电信
lxmxn
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Permission issues may also prevent file deletion.
Floor 6 Posted 2009-01-24 22:17　·　 中国 湖南 岳阳 电信
chineseway
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The files of the system properties can also be deleted.
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