Windows 7 Forums

Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.


Windows 7: wcncsvc drives high CPU - what is it?

11 Feb 2016   #1
billm5

Windows 7 Home Premium 64-bit
 
 
wcncsvc drives high CPU - what is it?

Resource Monitor showed that this service was consuming extremely high% CPU. So, the predictable questions: what is it, what does it do, can I stop it with impunity or will that vaporize civilization as we know it?


My System SpecsSystem Spec
.
11 Feb 2016   #2
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

My System SpecsSystem Spec
11 Feb 2016   #3
billm5

Windows 7 Home Premium 64-bit
 
 

This is no time for risk-taking. Either you know what function it performs (above and beyond "Windows Connect Now" which means nothing) ... or you don't.
My System SpecsSystem Spec
.

12 Feb 2016   #4
plodr

Home Premium and Pro 32 bit and 64 bit (4 computers)
 
 

Did you read the link whs posted? Did you note he is a MSMVP? They don't give that distinction out to just anyone; it has to be earned every year. In addition he has 25, 921 posts just in this forum so you can be pretty sure when he instructs you to do something, it won't blow up your system.

How many different languages do you use?
I use one, English. I have that service stopped and set to manual. I only checked one computer. We have four Windows 7 computers in the house and I suspect the others have the same setting.

If you have a question about any of the Windows 7 SP1 services in any version of Windows, head here:
Black Viper’s Windows 7 Service Pack 1 Service Configurations – Black Viper | www.blackviper.com


Attached Images
wcncsvc drives high CPU - what is it?-blackviper.jpg 
My System SpecsSystem Spec
12 Feb 2016   #5
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Thanks for coming to my defense. But the OP seems to be extra careful. That's OK because he does not know how the system will react.

For the OP - Take a restore point or better even an image. Then regardless what happens you can always backpaddle.
My System SpecsSystem Spec
12 Feb 2016   #6
UsernameIssues

W7 Pro SP1 64bit
 
 

Quote   Quote: Originally Posted by billm5 View Post
Resource Monitor showed that this service was consuming extremely high% CPU. So, the predictable questions: what is it, what does it do, can I stop it with impunity or will that vaporize civilization as we know it?
There is this thing called Wi-Fi Protected Setup (WPS).
You can read about it here: Wi-Fi Protected Setup | Wi-Fi Alliance

As mentioned in the link provided by plodr (and on other websites), Windows Connect Now Configuration is Microsoft's name for the software that they wrote to implement WPS.

If you are using WPS (even Microsoft's version of WPS), then you might want to read this: https://nakedsecurity.sophos.com/201...ore-dangerous/
My System SpecsSystem Spec
04 Aug 2016   #7
billm5

Windows 7 Home Premium 64-bit
 
 

A (very belated!) thank you to whs and UNI!

I did not recognize, at first, that whs' response -is- a link. In my world, links are indicated by very-different colors (not just a lighter shade of pale blue) ... or, more commonly, they are indicated by underscores (except this example of course).

Thanks again to whs and UNI!
My System SpecsSystem Spec
04 Aug 2016   #8
UsernameIssues

W7 Pro SP1 64bit
 
 

You are welcome.
My System SpecsSystem Spec
Reply

 wcncsvc drives high CPU - what is it?




Thread Tools Search this Thread
Search this Thread:

Advanced Search




Similar help and support threads
Thread Forum
High I/O causes drives to disappear, garbled displays, USB malfunctio
This past week has been a weird one. Both hardware and software has been erratic. Every time it acts up I've noticed I've either been installing software, transferring a lot of files, or even I/O operations through USB. So far it seems like it may have start ed with some IO Controller. But has ...
Hardware & Devices
External hard drive/flash drives causing high cpu and slowdown
If this is in the wrong forum, please move it to the right place, thanks. Alright so this all started a lot of months ago but now it's getting really annoying. At first I noticed my laptop acting up with my Sandisk flash drive that I've had for years. It'd take a while to connect then after it did...
Hardware & Devices
Stuttering and high CPU usage while downloading at high speeds
I've been having this problem now for an year or so now. It started when I upgraded my connection from 8/1 ADSL to 100/10 cable (so the problem wasn't noticeable even if it was there before) and when I download at high speeds (in steam, for example) my CPU usage jumps to 80% and higher, and my pc...
Network & Sharing
BSOD playing games under high load, High-end Intel/Nvidia custom PC
Hi all, This is my first computer build. For the most part it is playing games fine, but three times now in the last several weeks I have gotten BSODs, in Crysis 3, Battlefield 4. I didn't have the presence of mind to write down the error code. I have attached the /zip file generated by SF. ...
BSOD Help and Support
Very high CPU usage, causing very high laptop CPU temps (90c idle)
This problem began yesterday. I noticed my CPU was at 90C constantly with very high CPU usage (>50%). I had no major programs running. I rebooted several times and the program persisted. 1. I went into safe mode and everything was normal. So this rules out hardware issues. 2. I reformatted and...
Performance & Maintenance
High download speed and signal, high ping in games, slow page loads
Recently, I reinstalled my Netgear wna3100 driver. Ever since then, I've been experiencing problems with high pings in games where I normally never had problems with. Pages load slowly even just the home page of Google. I've attached my ipconfig picture. Any help would be greatly appreciated. ...
Network & Sharing


Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 17:48.

Twitter Facebook Google+



Windows 7 Forums

Seven Forums Android App Seven Forums IOS App