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Dominican University
Blocked File Extensions
The following file types are blocked on the firewall.
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Blocked On All Protocols (HTTP, FTP, IMAP, POP3, SMTP)
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.bat
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Batch Processing
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.com
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Command File
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.cpl
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Windows Control Panel File / Compel Show
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.med
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OctaMED Media File
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.mod
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FastTracker Media File
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.mpeg
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MPEG Movie
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.mpg
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MPEG Movie
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.mtm
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MultiTracker Media File
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.mus
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Music File
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.nst
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NoiseTracker Media File
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.okt
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Okta Media File
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.pif
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Program Information File
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.ptm
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Polytracker Media File
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.s3m
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ScreamTracker3 Media File
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.ult
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UltraTracker Media File
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.wow
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Grave Composer
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.xm
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FastTracker2 Media File
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.669
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UnisComposer Media File
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Blocked on IMAP, POP3, SMTP
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.b64
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Base 64 MIME-encoded File
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.bhx
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BinHex Compressed File ASCII Archive
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.dll
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Dynamic Link Library File
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.exe
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Executable File
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.gz
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Gzip Compressed Archive
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.hqx
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Macintosh BinHex 4 Compressed Archive
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.hta
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Hemera Thumbnail Archive
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.rar
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WinRAR Compressed Archive
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.scr
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Screen Saver
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.tar
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Tape Archive File
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.tgz
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UNIX Tar File Gzipped
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.uu
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Compressed Archive File
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.vb?
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VBScript File or Any VisualBasic Source
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.zip
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Compressed Archive File
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File extension
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File type
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.ade
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Access Project Extension (Microsoft)
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.adp
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Access Project (Microsoft)
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.app
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Executable Application
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.asp
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Active Server Page
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.bas
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BASIC Source Code
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.bat
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Batch Processing
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.cer
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Internet Security Certificate File
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.chm
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Compiled HTML Help
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.cmd
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DOS CP/M Command File, Command File for Windows NT
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.com
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Command
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.cpl
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Windows Control Panel Extension (Microsoft)
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.crt
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Certificate File
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.csh
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csh Script
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.exe
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Executable File
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.fxp
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FoxPro Compiled Source (Microsoft)
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.hlp
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Windows Help File
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.hta
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Hypertext Application
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.inf
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Information or Setup File
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.ins
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IIS Internet Communications Settings (Microsoft)
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.isp
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IIS Internet Service Provider Settings (Microsoft)
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.its
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Internet Document Set, Internation Translation
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.js
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JavaScript Source Code
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.jse
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JScript Encoded Script File
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.ksh
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UNIX Shell Script
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.lnk
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Windows Shortcut File
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.mad
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Access Module Shortcut (Microsoft)
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.maf
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Access (Microsoft)
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.mag
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Access Diagram Shortcut (Microsoft)
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.mam
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Access Macro Shortcut (Microsoft)
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.maq
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Access Query Shortcut (Microsoft)
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.mar
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Access Report Shortcut (Microsoft)
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.mas
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Access Stored Procedures (Microsoft)
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.mat
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Access Table Shortcut (Microsoft)
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.mau
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Media Attachment Unit
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.mav
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Access View Shortcut (Microsoft)
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.maw
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Access Data Access Page (Microsoft)
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.mda
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Access Add-in (Microsoft), MDA Access 2 Workgroup (Microsoft)
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.mdb
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Access Application (Microsoft), MDB Access Database (Microsoft)
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.mde
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Access MDE Database File (Microsoft)
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.mdt
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Access Add-in Data (Microsoft)
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.mdw
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Access Workgroup Information (Microsoft)
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.mdz
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Access Wizard Template (Microsoft)
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.msc
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Microsoft Management Console Snap-in Control File (Microsoft)
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.msi
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Windows Installer File (Microsoft)
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.msp
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Windows Installer Patch
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.mst
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Windows SDK Setup Transform Script
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.ops
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Office Profile Settings File
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.pcd
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Visual Test (Microsoft)
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.pif
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Windows Program Information File (Microsoft)
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.prf
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Windows System File
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.prg
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Program File
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.pst
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MS Exchange Address Book File, Outlook Personal Folder File (Microsoft)
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.reg
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Registration Information/Key for W95/98, Registry Data File
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.scf
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Windows Explorer Command
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.scr
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Windows Screen Saver
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.sct
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Windows Script Component, Foxpro Screen (Microsoft)
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.shb
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Windows Shortcut into a Document
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.shs
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Shell Scrap Object File
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.tmp
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Temporary File/Folder
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.url
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Internet Location
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.vb
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VBScript File or Any VisualBasic Source
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.vbe
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VBScript Encoded Script File
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.vbs
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VBScript Script File, Visual Basic for Applications Script
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.vsmacros
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Visual Studio .NET Binary-based Macro Project (Microsoft)
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.vss
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Visio Stencil (Microsoft)
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.vst
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Visio Template (Microsoft)
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.vsw
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Visio Workspace File (Microsoft)
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.ws
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Windows Script File
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.wsc
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Windows Script Component
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.wsf
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Windows Script File
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.wsh
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Windows Script Host Settings File
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