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Windows 7: Application Experience service drops internet connection


03 Apr 2014   #1

Windows 7 Home Premium 64bit
 
 
Application Experience service drops internet connection

Hello, I have a problem with Application Experience service briefly dropping my internet connection ("connection time out") when it enters running state. Interestingly this seems to happen at 3rd minute of hour and sometimes at 33th minute of hour. The problem thus appears periodically, which to me seems to suggest there's something wrong with settings. I'm using desktop PC with Windows 7 HP and internet is non-wirelessly connected through ethernet cable.

How could I troubleshoot this problem?
I'm aware of http://192.168.0.1/ net address to configure modem.

Solution:
Application experience isn't the problem. I solved the problem of periodical disconnections by turning the modem off with power switch button, waiting a few minutes and turning it back on.


My System SpecsSystem Spec
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03 Apr 2014   #2

W7 Pro SP1 64bit
 
 

Wow, what a weird thing to have happen. Aren't computers fun :-)

That was some excellent detective work on your part to find the timing and the service involved. You might want to use Process Monitor to see if anything stands out. e.g. some app calls the Application Experience service with a bad parameter.

I don't hold out much hope of Process Monitor helping out here, but it was the only thing that I could think of to try.
My System SpecsSystem Spec
03 Apr 2014   #3

Windows 7 Home Premium 64bit
 
 

I found it from standard windows logs (right-click My Computer -> manage -> event viewer -> system and there it is). I suspect Application Experience is the culprit since its startup time seems to coincide with connection dropout.

There's a ton of information in that Process Monitor. Firefox seems to suffer from buffer overflows, is that an uncommon thing? I need to start filtering this thing...
My System SpecsSystem Spec
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03 Apr 2014   #4

W7 Pro SP1 64bit
 
 

I see the buffer overflow thing on lots of apps. I'm not sure what it means, but the apps work, so I've not looked into it.

Yep - Process Monitor shows you some (but not all) of the stuff that goes on - and that is a bunch of stuff to sift thru.

You can try running Process Monitor after booting the computer into the safe mode with networking. In that mode, the computer should be doing fewer things. These steps might help too: Troubleshoot Application Conflicts by Performing a Clean Startup
My System SpecsSystem Spec
09 May 2014   #5

Windows 7 Home Premium 64bit
 
 

I'll update the situation with more info:
Application Experience is not the culprit. I turned it to not start automatically but connection still drops at 3rd and 34th minute hourly and restores automatically 30-60 seconds afterwards. Windows does recognize this connection dropout in Network and Sharing center (red X between network and internet).

I don't really know what to make of Process Monitor. It would help to know what I'm looking for there.

My non-windows startup items (from MSconfig) are Mozilla Maintenance Service, Steam Client Service and InstallDriver Table Manager from Macrovision. I wonder what that latest is?
My System SpecsSystem Spec
09 May 2014   #6

W7 Pro SP1 64bit
 
 

What happens if you...
...let the drop out occur
...let the connection heal itself
...turn the clock back a minute or two.
Does the drop out happen again?
My System SpecsSystem Spec
10 May 2014   #7

Windows 7 Home Premium 64bit
 
 

I changed Windows clock back a few minutes after connection drop-out and the connection didn't drop again.
My System SpecsSystem Spec
10 May 2014   #8

W7 Pro SP1 64bit
 
 

Quote   Quote: Originally Posted by UsernameIssues View Post
What happens if you...
...let the drop out occur
...let the connection heal itself
...turn the clock back a minute or two.
Does the drop out happen again?
Quote   Quote: Originally Posted by Aapo View Post
I changed Windows clock back a few minutes after connection drop-out and the connection didn't drop again.
Thanks for checking that. When I posted that suggested test, I hoped that scheduled tasks would repeat if the time changed like that. I was not in a place where I could test before posting. My brief test today seems to indicate that a scheduled task does not repeat just because one sets the clock back a bit.

I'm not sure what to check next. Process Monitor can be a bit much to learn.
My System SpecsSystem Spec
10 May 2014   #9

Windows 7 Home Premium 64bit
 
 

I like to run minimalistic system and keep processes to minimum, except for Firefox tabs. I checked that there's 9 scheduled tasks that came with Windows. None of them have activated in the past 30 days. I've probably tweaked some Internet setting that I can no longer remember which would be the cause of my problem. I've checked cable modem settings they seem fine too, and the internet connection runs only (TCP/IPv4) protocol.

Then there's that Network Adapter (Realtek PCIe GBE Family Controller with version 7.46.610.2011) kind of old, but I haven't found newer version. I don't know what its settings do but I'll list them here for more info:
Auto Disable Gigabit: disabled
Flow Control: enabled
Green Ethernet: disabled
Interrupt Moderation: enabled
IPv4 Checksum Offload: Rx & Tx enabled
Jumbo Frame: disabled
Large Send Offload v2(Ipv4): enabled
Large Send Offload v2(Ipv6): enabled
Network address: not available
Priority & VLAN: Priority & VLAN enabled
Receive Buffers: 512
Receive Side Scaling: disabled
Shutdown Wake-On-Lan: enabled
Speed & Duplex: auto negotiation
TCP Checksum Offload (IPv4): Rx & Tx enabled
TCP Checksum Offload (IPv6): Rx & Tx enabled
Transmit Buffers: 128
UDP Checksum Offload (IPv4): Rx & Tx enabled
UDP Checksum Offload (IPv6): Rx & Tx enabled
Wake on Magic Packet: enabled
Wake on pattern match: enabled
WOL & Shutdown Link Speed: Not Speed Down
My System SpecsSystem Spec
17 May 2014   #10

Windows 7 Home Premium 64bit
 
 

I still don't know what caused the problem, but it seems to have disappeared as I switched off the power of my modem, waited a few minutes and switched it back on. I haven't had disconnects for a few days now.
Thanks for your help trying to solve this problem, UsernameIssues.
My System SpecsSystem Spec
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 Application Experience service drops internet connection




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