Should I block it?

No, this file is 100% safe to run.

Additional versions

5.1.2600.5935 (xpsp_sp3_qfe.100211-1426)	12.90%
5.1.2600.5935 (xpsp_sp3_gdr.100211-1404)	58.06%
5.1.2600.5935 (xpsp_sp3_gdr.100211-1404)	3.23%
5.1.2600.5935 (xpsp_sp3_gdr.100211-1404)	3.23%
5.1.2600.5935 (xpsp_sp3_gdr.100211-1404)	3.23%
5.1.2600.5512 (xpsp.080413-0852)	6.45%
5.1.2600.3667 (xpsp_sp2_gdr.100211-1411)	3.23%
5.1.2600.2975 (xpsp.060816-0113)	3.23%
5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)	6.45%

Relationships

iphlpsvc.dll (Service that offers IPv6 connectivity over an IPv4 network. by Microsoft)

6to4svc.dll

Service that offers IPv6 connectivity over an IPv4 network. by Microsoft

Remove 6to4svc.dll

Version:	5.1.2600.5935 (xpsp_sp3_gdr.100211-1404)
MD5:	c07d5197410aab28d0d93f943f59656d
SHA1:	d182982f55b9b7a18977ba359076d3c163a8e233
SHA256:	482164ba2b57c7026a7df3213e0ac59b752a898d9b880bc0629f9cadd05d2894

This is a Windows system installed file with Windows File Protection (WFP) enabled.

Overview

6to4svc.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 Microsoft SQL Server Native Client published by Microsoft Corporation, Chargoon Didgah Client Tools from Chargoon Co. and Chargoon Didgah Client Tools by Chargoon Co.. This version is installed on Windows XP.

Details

File name:	6to4svc.dll
Publisher:	Microsoft Corporation
Product name:	Service that offers IPv6 connectivity over an IPv4 network.
Description:	Microsoft® Windows® Operating System
Typical file path:	C:\Windows\System32\6to4svc.dll
File version:	5.1.2600.5935 (xpsp_sp3_gdr.100211-1404)
Product version:	5.1.2600.5935
Size:	98.5 KB (100,864 bytes)
Digital DNA
PE subsystem:	Windows Console
File packed:	No
Code language:	Microsoft Visual C++
.NET CLR:	No

More details

Programs

The following programs will install this file

Chargoon Didgah Client Tools

Chargoon Co.

3% remove

Microsoft SQL Server Native Client

Microsoft Corporation

4% remove

The SQL Server Native Client contains the SQL Server ODBC driver and the SQL Server OLE DB provider in one native dynamic link library (DLL) supporting applications using native-code APIs (ODBC, OLE DB and ADO) to Microsoft SQL Server.

NVIDIA Drivers

NVIDIA Corporation

2% remove

The NVIDIA Driver is the software driver for NVIDIA Graphics GPU installed on the PC. It is a program used to communicate from the Windows PC OS to the device. This software is required in most cases for the hardware device to function properly. In most cases, drivers come with Windows or can be found by going to Windows Update in Control Panel and checking for updates as well as downloaded from the NVIDIA support website.