Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions 3.98% 0.80% 3.19% 2.39% 0.40% 0.80% 0.40% 22.31% 9.16% 0.40% 13.55% 2.79% 10.36% 24.30% 1.59% 3.59%


PE structurePE file structure

Show functions
Import table
CertCompareIntegerBlob, CertFreeCertificateContext, CryptProtectData, CryptUnprotectData, CryptHashCertificate
IsProcessorFeaturePresent, QueryPerformanceCounter, RaiseException, LoadLibraryA, SetUnhandledExceptionFilter, IsDebuggerPresent, GetModuleFileNameW, UnhandledExceptionFilter, InterlockedCompareExchange, InterlockedIncrement, InterlockedDecrement, GetProcAddress, FreeLibrary, LoadLibraryExW, GetFileAttributesW, LocalFree, SizeofResource, LockResource, LoadResource, FindResourceW, FindResourceExW, DeleteFileW, GetLastError, CreateFileW, VirtualFree, GetSystemInfo, VirtualAlloc, GetFileSize, SetFileAttributesW, MoveFileExW, GetTempFileNameW, FlushFileBuffers, WriteFile, SetFilePointer, MultiByteToWideChar, WideCharToMultiByte, CloseHandle, GetModuleHandleW, GetCurrentThread, OpenProcess, ProcessIdToSessionId, OpenThread, GetCurrentProcessId, GetCurrentThreadId, TerminateProcess, GetCurrentProcess, ExpandEnvironmentStringsW, DisableThreadLibraryCalls, GetSystemPowerStatus, LocalAlloc, lstrlenW, FormatMessageW, lstrlenA, GetTickCount, ReadFile, HeapDestroy, OutputDebugStringW, GetSystemTimeAsFileTime, SystemTimeToFileTime, GetSystemTime, GlobalFree, WaitForSingleObject, InitializeCriticalSection, DeleteCriticalSection, LeaveCriticalSection, EnterCriticalSection, Sleep, DecodePointer, EncodePointer, InitializeCriticalSectionAndSpinCount, GetProcessHeap, HeapSize, HeapReAlloc, HeapFree, HeapAlloc, InterlockedExchange, WaitForMultipleObjects
NetApiBufferFree, NetUserGetInfo, NetLocalGroupGetMembers
StringFromGUID2, CoCreateGuid, IIDFromString, CoCreateInstance, CoSetProxyBlanket, CoInitializeSecurity
EnumProcesses, GetModuleBaseNameW
RpcRevertToSelfEx, RpcImpersonateClient, RpcRevertToSelf
LsaGetLogonSessionData, LsaFreeReturnBuffer, LsaEnumerateLogonSessions
WinHttpSendRequest, WinHttpWriteData, WinHttpAddRequestHeaders, WinHttpQueryDataAvailable, WinHttpSetStatusCallback, WinHttpSetOption, WinHttpConnect, WinHttpTimeFromSystemTime, WinHttpReadData, WinHttpOpenRequest, WinHttpGetProxyForUrl, WinHttpQueryOption, WinHttpSetCredentials, WinHttpTimeToSystemTime, WinHttpCrackUrl, WinHttpCloseHandle, WinHttpReceiveResponse, WinHttpOpen, WinHttpQueryHeaders
Export table


Oxygen Client by Symantec Corporation (Signed)

Remove Comm.dll
MD5:   d91ee56d00661c87ee7deb547093cc9e
SHA1:   624e35c467b231466aad45aa86d5bbb3dcdeedcc

What is Comm.dll?

Communications Service

About Comm.dll (from Symantec Corporation)

Norton Internet Security lets you email, chat and surf the Web without worrying about cybercriminals ripping you off. It delivers protection from online dangers without sacrificing performance. It g


comm.dll is loaded as dynamic link library that runs in the context of a process. It is installed with a couple of know programs including Norton Management published by Symantec Corporation, Norton Identity Safe from Symantec Corporation and Norton Identity Safe by Symantec Corporation. The file is digitally signed by Symantec Corporation which was issued by the VeriSign certificate authority (CA).


File name:comm.dll
Publisher:Symantec Corporation
Product name:Oxygen Client
Description:Communications Service
Typical file path:C:\Program Files\norton internet security\engine\\comm.dll
File version:
Product version:4.2
Size:917.37 KB (939,384 bytes)
Issued to:Symantec Corporation
Authority (CA):VeriSign
Expiration date:Saturday, November 23, 2013
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++ 10.0
More details


The following programs will install this file
Symantec Corporation
25% remove
Norton Management lets you manage all of your Norton products and Norton product keys from one location. You can add your devices such as personal computers and laptops to Norton Management and remotely install and manage your Norton products on the device. You can view the security status of each of your devices and resolve the security issues by using the Norton Management website from any location around the world. After you install ...
Symantec Corporation
12% remove
Norton ™ Identity Safe is a password manager that makes logging into your favorite web sites easier, faster and more secure. Never again forget a user name or password. Ever. Stop filling in the same forms over and over. Warns you of unsafe sites right in your search results and blocks them. Stores your passwords and more in a secure, cloud-based vault that only you can access. Stop filling in the same forms over and over. Identity Saf...
Symantec Corporation
3% remove
With Norton One you get a new membership that makes it easy to protect multiple computers and devices. Secure any combination of five Macs, PCs, iPhones, iPads and Android devices with always up-to-date Norton software. And always reach dedicated experts 24/7/365 in two minutes or less (estimated). With Norton One, you get a single membership that covers multiple devices. It starts with the most up-to-date versions of Norton security p...
Symantec Corporation
1% remove
Basic antivirus protection that stops viruses and spyware, so you can safely go online and share. Five patented layers of protection quickly and accurately detect and eliminate viruses and spyware. Protects your privacy and prevents your passwords and identity from being stolen when you surf the Web. Deep clean your PC – our powerful Threat-Removal Layer targets and scrubs out aggressive, hard-to-remove infections that less sophisticate...

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 33.00%
Windows 8 22.00%
Windows 8 Pro 8.00%
Windows 7 Ultimate 7.00%
Windows Vista Home Premium 7.00%
Microsoft Windows XP 6.00%
Windows 8.1 3.50%
Windows 7 Professional 3.50%
Windows 8.1 Pro 2.50%
Windows 8 Pro with Media Center 2.00%
Windows 8 Enterprise 1.50%
Windows 7 Home Basic 1.50%
Windows Se7en Titan 0.50%
Windows Developer Preview 0.50%
Windows 8 Single Language 0.50%
Windows Vista Business 0.50%
Windows 7 Ultimate N 0.50%

Distribution by countryDistribution by country

United States installs about 67.01% of Oxygen Client.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 27.66%
Toshiba 23.83%
Dell 12.77%
Acer 12.77%
ASUS 6.81%
Sony 4.26%
Intel 2.55%
MSI 1.70%
American Megatrends 1.70%
Samsung 0.85%
Lenovo 0.85%
Should I remove It? Clean your PC of unwanted adware, toolbars and bloatware.

Download it for FREE