Unable to connect to homegroup

Folks,
I am getting nowhere in trying to repair my Wireless Network Connection that until yesterday worked fine.
Please look at the image. I have a working notebook (both units ate HP - the problem unit is a desktop)homegroup problems
Hopefully I am in one of the correct ques. Last night I searched for solutions over the Internet but could not get the dots to connect for me. This is the only pc with a problem. I've reset the router, checked to see if any services were not running, scanned the registry, deep scanned for virsus and malware. Interestingly, I have access to the Internet.
Patiently work me through this problem. I just do not know how to fix this.
Thanks toi all so very much.Frank
Frank FreeseAsked:
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R. Andrew KoffronownerCommented:
what messages does the troubleshooter give you if you click the red x and run the diagnostic tool?
aadihCommented:
If it worked until last night, then you may try a system restore first to see if it fixes the problem quickly and easily. Boot up in safe mode with command prompt and type rstrui.exe to restore to an earlier time.
Frank FreeseAuthor Commented:
When I click on he red X it starts the Windows Network Diagnostics stating "Windows tested your Internet connection and verified that you are able to access some web sites. Are you looking for help with a different issue:
1. I'm trying to reach a specific website or folder on a network
2. I'm having a different problem.

I've selected option # 2

Next it wants me to choose the network issue to troubleshoot:
1. Allow other computers to connect to this computer
2. Connect to your workplace using DirectAccess
3. Use a specific network adapter (we're wireless).

From there I'll await further instructions from you.

Regarding system restore. I have tried many system restores and I keep getting the message it did not work. In all likelihood it says a virus program is blocking the restore. I've disable all the services relating to virus program and also changed the programs setting to be disabled - Bitware is what I am using.
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aadihCommented:
Well, if an infection is suspected try scanning with Malwarebytes Antimalware (free).

Did you do a system restore from safe mode command prompt (and got the message, "it did not work"?)

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Frank FreeseAuthor Commented:
I use Malwarebytes.
Now I will try a system restore from safe mode and let you know
Frank FreeseAuthor Commented:
system restore did not work.
I have a service that's suppose the repair my pc - "reimage"
I'm running that now
Will advise
Frank FreeseAuthor Commented:
I've a program called Reimage and it restored my files. Everything is back to normal.
Thanks.
Frank FreeseAuthor Commented:
I'd forgot about a restore in safe mode
aadihCommented:
Great. You fixed it. :-)
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