Should I block it?

No, this file is 100% safe to run.

Additional versions

4.0.0401.0	50.00%
4.0.0357.1	50.00%

Relationships

mswinext.exe

MSN Toolbar by Microsoft Corporation (Signed)

Remove mswinext.exe

Version:	4.0.0401.0
MD5:	a8d49c8b593789b6aac5f98a45df4566
SHA1:	129cff318d8af40c03d91002757dbccfe223ef09
SHA256:	f0e119f1b4b4fc23cb7bf98f8a10e5c363a7689c663ff513993a86bec5d2824d

Overview

mswinext.exe executes as a process with the local user's privileges. It is set to be start when the PC boots and any user logs into Windows (added to the Run registry key for the all users under the local machine). The file is digitally signed by Microsoft Corporation.

Details

File name:	mswinext.exe
Publisher:	Microsoft Corp.
Product name:	MSN® Toolbar
Typical file path:	C:\Program Files\msn toolbar\platform\4.0.0357.1\mswinext.exe
File version:	4.0.0401.0
Size:	235.34 KB (240,992 bytes)
Build date:	2/12/2010 1:59 PM
Certificate
Issued to:	Microsoft Corporation
Authority (CA):	Microsoft Corporation
Effective date:	Wednesday, October 22, 2008
Expiration date:	Friday, January 22, 2010
Digital DNA
File packed:	No
.NET CLR:	No

More details

Behaviors

Startup files (all users) run

Runs under the registry key 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'

'MSN Toolbar' → "C:\Program Files\MSN Toolbar\Platform\4.0.0357.1\mswinext.exe"

Network connections

[TCP] by175ds.mail.services.live.com (65.55.157.150:443)

[UDP] listens on port 3539

Resource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)

Averages

CPU
Total CPU:	0.00262836%	0.028634%
Kernel CPU:	0.00128238%	0.013761%
User CPU:	0.00134598%	0.014873%
Kernel CPU time:	10,625 ms/min	100,923,805ms/min
Context switches:	532/sec	284/sec
Memory
Private memory:	33.35 MB	21.59 MB
Private (maximum):	53.32 MB
Private (minimum):	12.93 MB
Non-paged memory:	33.35 MB	21.59 MB
Virtual memory:	178.92 MB	140.96 MB
Virtual memory (peak):	188.42 MB	169.69 MB
Working set:	20.73 MB	18.61 MB
Working set (peak):	53.4 MB	37.95 MB
Page faults:	447,447/min	2,039/min
I/O
I/O read transfer:	13.58 KB/sec	1.02 MB/min
I/O read operations:	1/sec	343/min
I/O write transfer:	10.78 KB/sec	274.99 KB/min
I/O write operations:	5/sec	227/min
I/O other transfer:	3.53 KB/sec	448.09 KB/min
I/O other operations:	78/sec	1,671/min
Resource allocations
Threads:	26	12
Handles:	726	600
GUI GDI count:	19	103
GUI USER count:	35	49

Process properties

Integrety level:	Undefined
Platform:	32-bit
Command line:	"C:\Program Files\msn toolbar\platform\4.0.0401.0\mswinext.exe"
Owner:	User

Threads

Averages

AppMgr.dll
Total CPU:	0.01698531%	0.272967%
Kernel CPU:	0.00838049%	0.107585%
User CPU:	0.00860482%	0.165382%
Context switches:	168/sec	79/sec
Memory:	320 KB	1.16 MB
npctrl.dll (Silverlight Plug-In by Microsoft)
Total CPU:	0.00118594%
Kernel CPU:	0.00079062%
User CPU:	0.00039531%
Context switches:	59/sec
Memory:	1012 KB
ntdll.dll
Total CPU:	0.00083341%
Kernel CPU:	0.00024575%
User CPU:	0.00058765%
Memory:	712 KB
coreclr.dll
Total CPU:	0.00044889%
Kernel CPU:	0.00003206%
User CPU:	0.00041682%
Context switches:	1/sec
Memory:	3.41 MB
WLExtension.dll
Total CPU:	0.00033672%
Kernel CPU:	0.00017637%
User CPU:	0.00016035%
Memory:	436 KB
WININET.dll
Total CPU:	0.00028861%
Kernel CPU:	0.00019241%
User CPU:	0.00009620%
Memory:	920 KB
mswinext.exe (main module)
Total CPU:	0.00022432%
Kernel CPU:	0.00016023%
User CPU:	0.00006409%
Memory:	248 KB