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Andy, Computer Consultant
Category: Computer
Satisfied Customers: 5316
Experience:  11yr exp, Comp Engg, Internet expert, Web developer, SEO
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My wlansvc service won't start, lenovo thinkpad, this seemed

Customer Question

my wlansvc service won't start
JA: What kind of computer do you have?
Customer: lenovo thinkpad
JA: Have you installed any updates recently?
Customer: this seemed to occur after a windows update a couple weeks ago. i didn't have a restore point to go back to
JA: Anything else you want the computer expert to know before I connect you?
Customer: it's definitely a problem with the wlansvc.dll and I'm unable to take ownership of it either
Submitted: 6 days ago.
Category: Computer
Expert:  Byron replied 6 days ago.

Hi. My name is***** you for your question and the opportunity to assist.

Is there and numeric error code associated with the service not starting?

Customer: replied 6 days ago.
error code 126. was previously giving an error code 193 but switched to 126 after performing chkdsk and sfc
Expert:  Byron replied 6 days ago.

Thanks is it the WLAN AutoConfig service that's not starting?

Customer: replied 6 days ago.
that's correct. I tried to replace the wlansvc.dll with a known functional version, but when I try to take ownership (takeown from the command prompt), i get a message that the system cannot find the file specified. but it's definitely in the folder and shows if i type 'dir'
Expert:  Byron replied 6 days ago.

Thanks. Have you tried uninstalling the wi-fi adapter in Device Manager and restarting the computer?

Customer: replied 6 days ago.
i did a full network reset a while ago, which I believe uninstalled the wi-fi adapter, if i'm not mistaken.
Expert:  Byron replied 6 days ago.

Is this a Windows 10 machine?

Customer: replied 6 days ago.
Expert:  Byron replied 6 days ago.

Right-click the start menu button and open Device Manager. Expand Network Adapters. Right-click the wi-fi adapter and Uninstall

Close Device Manager and right-click the start button again and select Command Prompt(Admin)

At the blinking prompt enter the following commands, pressing Enter after each

netsh winsock reset

netsh int ipv4 reset

netsh int ipv6 reset

Restart the machine and check

Customer: replied 6 days ago.
when I uninstall, should I check the box for 'delete the driver software'?
Expert:  Byron replied 6 days ago.

No. Leave that unchecked.

Customer: replied 6 days ago.
about to restart, but before I do wanted to note that for both ipv4 and ipv6, after "Resetting path, OK!", it says "Resetting , Failed. Access is denied"
Expert:  Byron replied 6 days ago.

I know but at the end it says Resetting OK

Customer: replied 6 days ago.
right. restarted - i'm back.
Expert:  Byron replied 6 days ago.

So, no success? If you've replaced files I'd run sfc /scannow again to get the right ones put back.

Customer: replied 6 days ago.
in device manager my wireless adapter is still not there
Customer: replied 6 days ago.
after the uninstall, that is
Customer: replied 6 days ago.
re-running sfc now
Customer: replied 6 days ago.
i haven't replaced any files, that i know of
Expert:  Byron replied 6 days ago.

You mentioned you, I guess, tried to replace a dll.

Click the start button and open settings. Open Update & Security

click Update History

click Uninstall Updates

Can you find the ones that were installed?

Customer: replied 6 days ago.
i tried to replace the wlansvc.dll but I couldn't even take ownership of it. I've got updates that were installed on 9/29, 10/3, 10/11, and today (10/18)
Customer: replied 6 days ago.
i'm a little concerned that my wireless adapter isn't in the device manager anymore...
Expert:  Byron replied 6 days ago.

Windows should have re-installed it when the computer restarted.

Open Device Manager. At the top of the list you'll see your computer name.

Right-click on it and select Scan for hardware changes.

Customer: replied 6 days ago.
no change
Expert:  Byron replied 6 days ago.

Can you get the laptop connected to the internet via ethernet cable connected to your router?

Customer: replied 6 days ago.
actually it is there, but now it says 'network controller' instead of 'intel dual-band wireless' or something to that effect
Customer: replied 6 days ago.
i am connected via ethernet on this laptop
Expert:  Byron replied 6 days ago.

It needs a driver. I think the update hosed it.

Right-click the network controller and select Properties.

What does it say in the status window?

Customer: replied 6 days ago.
says 'this device is working properly'
Expert:  Byron replied 6 days ago.

If it was working properly it would list the wi-fi adapter by manufacturer.

What's the model number of the laptop?

Customer: replied 6 days ago.
x1 carbon
Customer: replied 6 days ago.
btw when i run sfc, i get a report saying that windows resource protection found corrupt files but was unable to fix them. when I check the log, it's the wlansvc.dll file
Customer: replied 6 days ago.
that's why I wanted to replace the .dll file, but I wasn't able to because I wasn't able to take ownership of it in order to replace it
Expert:  Byron replied 6 days ago.

Ok. Since you have an internet connection do this:

right-click the taskbar and start task manager.

Click More details if you see it.

click File>>Run new task

put a checkmark in the administrative checkbox and in the text area type: powershell and click OK

At the blinking prompt in the blue window copy and paste the following command and press Enter

DISM /Online /Cleanup-Image /RestoreHealth

After pressing Enter it will sit there for several minutes looking like it isnt doing anything, but it is.

Then it will jump to 20% and sit a bit longer and finally finish. Restart the computer when it finishes.

Customer: replied 6 days ago.
haven't restarted yet, but at the end it gave an error:Image Version: 10.0.14393.0[==========================100.0%==========================]
Error: 0x800f081fThe source files could not be found.
Use the "Source" option to specify the location of the files that are required to restore the feature. For more information on specifying a source location, see DISM log file can be found at C:\WINDOWS\Logs\DISM\dism.log
Expert:  Byron replied 6 days ago.

That should work if you're connected to the internet.

Can you try it again.

Customer: replied 6 days ago.
ok re-ran the powershell. this time it's at 100% and no error showing. Yes - my laptop is the 20A7
Customer: replied 6 days ago.
spoke too soon. same error as before showed up
Expert:  Byron replied 6 days ago.

Well, I was hoping the image would get repaired and you'd be able to fix the dll with sfc.

On the Lenovo page where it says Pick a Component, set it to Wireless LAN

You'll see the driver listed for your wi-fi adapter. You probably have 64 bit Windows

but you can confirm that by right-clicking the start button and opening System.

Install the driver. I don't know if it will put back the correct dll though.

Customer: replied 6 days ago.
done. same situation
Expert:  Byron replied 6 days ago.

Are you opening services.msc from the run box and trying to start WLAN AutoConfig from there?

Customer: replied 6 days ago.
i am.
Expert:  Byron replied 6 days ago.

Thanks. I'm out of ideas on this. I'll open your question up to all the category experts. One of them

may have an idea how to get this service started.

Customer: replied 6 days ago.
ok thanks - appreciate the effort. i'm pretty well out of ideas too...been researching this for a while.
Expert:  Byron replied 6 days ago.

You'll get an email response when one of the other experts replies.

Expert:  Byron replied 6 days ago.

There's one thing I didn't propose. You could do a reset of Windows 10 using the Keep my Files option.

It would mean re-installing software programs, though.

Customer: replied 4 days ago.
Thanks, ***** ***** already knew that option...that was my last resort and I was trying to avoid it.
Customer: replied 4 days ago.
Also, I never saw any response from anyone else
Expert:  Byron replied 4 days ago.

Another expert isn't required to respond. I'm thinking that they may have read the conversation and decided not to.

You can try this though, go here:

Download the media creation tool. When you run it select the option to create media

for another PC. Use a 4+GB flash drive and create the install disk. Open the flash drive

from within Windows and run the setup.exe file and install Win 10 on top of itself.

I found an article on it but you probably don't need it.