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Windows 7: Choice of Network to use came up unexpectedly


08 Jul 2013   #1

Windows 7 Pro 64bit
 
 
Choice of Network to use came up unexpectedly

My laptop was on all night connected to the internet, my usual practice. In the morning, I found a dialog was on my desktop asking me to choose which network to use. Home, Public, something else. I chose Home and a few dialogs later, I was given a PW to write down for future connectivity.

What are the possible reasons this dialog should appear unexpectedly? I hadn't been doing anything related to network; there has only ever been just the laptop. I was just browsing all day the day before, as usual.


My System SpecsSystem Spec
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08 Jul 2013   #2

Microsoft Community Contributor Award Recipient

Win 7 Home Premium 64bit Ver 6.1.7600 Build 7601 - SP1
 
 

Some items come to mind:
  • Did you have a local utility power outage that you are unaware of? And when the power came back your machine restarted itself, and felt the need to ask for a confirmation for logging back onto a network.
  • Any recent tweaking to network or Wi-Fi router settings? An incoming request may have been blocked, prompting a security check.
  • Have any programs that update themselves automatically?
  • What type of anti-virus program do you use? A lack of activity may have prompted this.
  • Did your pet walk on your keyboard?
  • Any spills on or drop your machine?
  • When was the last time you cleaned up your machine? Disk Cleanup - Open and Use , Disk Cleanup : Extended
  • We need more System Specs: System Info - See Your System Specs
You can check for an event that may have triggered this:
Event Viewer - Open and Use in Windows 7

Wake Source - Read Event Viewer Log

Shut Down - View Details of Last Shutdown of Computer

Lastwake Command


It is troubling and I would also want to know what happened if it was me, but I don't think it is cause for much alarm.
What do you use for protection on your machine? Run your anti-virus on full scan to check for any abnormalities.

You may also want to run a disk check and SFC /SCANNOW Command - System File Checker
My System SpecsSystem Spec
08 Jul 2013   #3

Windows 7 Pro 64bit
 
 

Quote   Quote: Originally Posted by Anak View Post
Some items come to mind:You can check for an event that may have triggered this

It is troubling and I would also want to know what happened if it was me, but I don't think it is cause for much alarm.
What do you use for protection on your machine? Run your anti-virus on full scan to check for any abnormalities.
I wouldn't recognize suspicious activity in an event log if I saw it. Here is a capture from the security event log from a time I was asleep. Anything unusual there?

Avast Free, btw.


Attached Thumbnails
Choice of Network to use came up unexpectedly-security-events-july-8-2013.jpg  
My System SpecsSystem Spec
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08 Jul 2013   #4

Windows 7 Ult, Windows 8.1 Pro,
 
 

Quote   Quote: Originally Posted by shokan2 View Post
My laptop was on all night connected to the internet, my usual practice. In the morning, I found a dialog was on my desktop asking me to choose which network to use. Home, Public, something else. I chose Home and a few dialogs later, I was given a PW to write down for future connectivity.

What are the possible reasons this dialog should appear unexpectedly? I hadn't been doing anything related to network; there has only ever been just the laptop. I was just browsing all day the day before, as usual.
You may not have realized it at the time but when Windows does this you are actually creating a Homegroup network without even realizing it. The password that you received is so other machines can join the Homegroup. You can add machines to your Homegroup or leave the Homegroup if you don't need one.
My System SpecsSystem Spec
08 Jul 2013   #5

Windows 7 Pro 64bit
 
 

Quote   Quote: Originally Posted by chev65 View Post
Quote   Quote: Originally Posted by shokan2 View Post
My laptop was on all night connected to the internet, my usual practice. In the morning, I found a dialog was on my desktop asking me to choose which network to use. Home, Public, something else. I chose Home and a few dialogs later, I was given a PW to write down for future connectivity.

What are the possible reasons this dialog should appear unexpectedly? I hadn't been doing anything related to network; there has only ever been just the laptop. I was just browsing all day the day before, as usual.
You may not have realized it at the time but when Windows does this you are actually creating a Homegroup network without even realizing it. The password that you received is so other machines can join the Homegroup. You can add machines to your Homegroup or leave the Homegroup if you don't need one.
Yes, but why did the prompt dialogue to do this appear by itself during the night? As I said in my original post, I had done nothing but browse the internet the day before. Nothing else.
My System SpecsSystem Spec
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 Choice of Network to use came up unexpectedly




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