【升级病毒库】-杀毒
    【显示隐藏文件】-导入注册表。打开记事本，将以下代码保存成*.reg文件并导入就可以。
    Windows Registry Editor Version 5.00
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\NOHIDDEN]
    "RegPath"="Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced"
    "Text"="@shell32.dll,-30501"
    "Type"="radio"
    "CheckedValue"=dword:00000002
    "ValueName"="Hidden"
    "DefaultValue"=dword:00000002
    "HKeyRoot"=dword:80000001
    "HelpID"="shell.hlp#51104"
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL]
    "RegPath"="Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced"
    "Text"="@shell32.dll,-30500"
    "Type"="radio"
    "CheckedValue"=dword:00000001
    "ValueName"="Hidden"
    "DefaultValue"=dword:00000002
    "HKeyRoot"=dword:80000001
    "HelpID"="shell.hlp#51105"
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\SuperHidden]
    "Type"="checkbox"
    "Text"="@shell32.dll,-30508"
    "WarningIfNotDefault"="@shell32.dll,-28964"
    "HKeyRoot"=dword:80000001
    "RegPath"="Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced"
    "ValueName"="ShowSuperHidden"
    "CheckedValue"=dword:00000000
    "UncheckedValue"=dword:00000001
    "DefaultValue"=dword:00000000
    "HelpID"="shell.hlp#51103"
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\SuperHidden\Policy]
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\SuperHidden\Policy\DontShowSuperHidden]
    @=""
    【显示隐藏文件】-修改注册表
    \HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\Advanced\Folder\Hidden\SHOWALL
    将CheckedValue键值修改为1（0为隐藏）