Windows 8 won't find any airport after resuming from standby

Hi,
I have had a windows 7 PC with both airport express (2nd and 3rd generation) working flawlessly. I bought a new Windows 8 Laptop. Initially everything worked fine, but after resuming from standby mode (closed the display and reopened) my itunes stopped working, and the airport utility software was unable to find both airport express. After shutdown and restart they both worked again until the next standby mode.
I've read somewhere that it might be a conflict with IPv6 so I disabled it from registry, but the problem remains.....
any thoughts
Regards,
German

Did you upgrade the drivers from the wireless card manufacturer in win8 machine.. ??
If that doesn't work.. do some more basic wireless investigation..
1. Are wireless names SMB compliant.. ie short, no spaces and pure alphanumeric?
2. WPA2 Personal security with a password which also conforms to the above.
3. Test with fixed wireless channels. 11, 6, 1
4. If none of the above work.. turn off security for a few minutes and see if that works.

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Message Edited by Deano019 on 01-31-2009 01:57 PM
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Hello,
For the last months, I repeatedly have the problem that sometimes (every 2nd or 3rd time) after resuming from hibernation, in a few cases also after disconnecting from the Internet, one or more instances of explorer.exe are consuming 100% CPU, but never
the shell instance.
I tried figuring out what it was doing, but I was unsuccessful so far.
Here is a stack of the thread which consumed most of the CPU:
0, ntoskrnl.exe!KiDeliverApc+0x166
1, ntoskrnl.exe!KiSwapThread+0x31f
2, ntoskrnl.exe!KiCommitThreadWait+0x129
3, ntoskrnl.exe!ExpWaitForResource+0x29f
4, ntoskrnl.exe!ExEnterPriorityRegionAndAcquireResourceExclusive+0x1ad
5, win32k.sys!EnterCritAvoidingDitHitTestHazard+0x13
6, win32k.sys!NtUserMessageCall+0x28
7, ntoskrnl.exe!KiSystemServiceCopyEnd+0x13
8, user32.dll!NtUserMessageCall+0xa
9, user32.dll!SendMessageWorker+0x168
10, user32.dll!SendMessageW+0xfb
11, ExplorerFrame.dll!CNscTree::_TreeInvalidateItemInfo+0xd0
12, ExplorerFrame.dll!CNscTree::_EnumBackgroundDone+0xb4a14
13, ExplorerFrame.dll!CNscTree::OnQIUpdateEnumDone+0x93
14, ExplorerFrame.dll!CNscEnumQueueItem::Dispatch+0xcf
15, ExplorerFrame.dll!CTaskLock::DispatchQueueItem+0xc5
16, ExplorerFrame.dll!CNscTree::_SubClassTreeWndProc+0x118
17, ExplorerFrame.dll!CNscTree::s_SubClassTreeWndProc+0x5f
18, comctl32.dll!CallNextSubclassProc+0xe0
19, comctl32.dll!MasterSubclassProc+0xa2
20, user32.dll!UserCallWinProcCheckWow+0x149
21, user32.dll!DispatchMessageWorker+0x1a7
22, AppVEntSubsystems64.dll!VirtualizeCurrentThread+0x1e492
23, ExplorerFrame.dll!CExplorerFrame::FrameMessagePump+0xe3
24, ExplorerFrame.dll!BrowserThreadProc+0x5e
25, ExplorerFrame.dll!BrowserNewThreadProc+0x3a
26, ExplorerFrame.dll!CExplorerTask::InternalResumeRT+0x12
27, ExplorerFrame.dll!CRunnableTask::Run+0x114
28, shell32.dll!CShellTaskThread::ThreadProc+0x2a3
29, shell32.dll!CShellTaskThread::s_ThreadProc+0x2f
30, SHCore.dll!StrRetToBSTR+0x19f
31, kernel32.dll!BaseThreadInitThunk+0x22
32, ntdll.dll!RtlUserThreadStart+0x34
I was hoping I could identify a rogue shell extension or something similar, but I didn't find any such evidence so far.
In case you need this information, this is a list of my shell extensions/copy hooks/context menu handlers/drag&drop handlers (without duplicates):
+ " SkyDrivePro1 (ErrorConflict)" "Microsoft OneDrive for Business Extensions" "Microsoft Corporation" "c:\program files\microsoft office 15\root\vfs\programfilesx64\microsoft office\office15\grooveex.dll" "12.11.2014 01:13"
+ "{C52AF81D-F7A0-4AAB-8E87-F80A60CCD396}" "" "Apache Software Foundation" "c:\program files (x86)\openoffice 4\program\shlxthdl\shlxthdl.dll" "20.09.2013 12:50"
+ "{C52AF81D-F7A0-4AAB-8E87-F80A60CCD396}" "" "Apache Software Foundation" "c:\program files (x86)\openoffice 4\program\shlxthdl\shlxthdl_x64.dll" "20.09.2013 12:41"
+ "7-Zip" "7-Zip Shell Extension" "Igor Pavlov" "c:\program files\7-zip\7-zip32.dll" "18.04.2011 19:34"
+ "7-Zip" "7-Zip Shell Extension" "Igor Pavlov" "c:\program files\7-zip\7-zip.dll" "18.04.2011 19:35"
+ "ANotepad++64" "ShellHandler for Notepad++ (64 bit)" "" "c:\program files (x86)\notepad++\nppshell_06.dll" "12.05.2014 10:49"
+ "Ath_CopyHook" "Bluetooth File Transfer Plugin" "Qualcomm®Atheros®" "c:\program files (x86)\bluetooth suite\folderviewimpl.dll" "25.09.2013 10:58"
+ "Atheros" "Atheros Bluetooth Module" "Qualcomm®Atheros®" "c:\program files (x86)\bluetooth suite\btvappext.dll" "25.09.2013 10:58"
+ "DropboxExt" "Dropbox Shell Extension" "Dropbox, Inc." "c:\users\david\appdata\roaming\dropbox\bin\dropboxext64.24.dll" "24.06.2014 01:32"
+ "DropboxExt1" "Dropbox Shell Extension" "Dropbox, Inc." "c:\users\david\appdata\roaming\dropbox\bin\dropboxext.24.dll" "24.06.2014 01:31"
+ "FTShellContext" "Atheros Bluetooth Module" "Qualcomm®Atheros®" "c:\program files (x86)\bluetooth suite\shellcontextext.dll" "25.09.2013 10:58"
+ "GDContextMenu" "Google Drive shell extension" "Google" "c:\program files (x86)\google\drive\contextmenu64.dll" "16.01.2015 01:57"
+ "GDriveBlacklistedOverlay" "Google Drive shell extension" "Google" "c:\program files (x86)\google\drive\googledrivesync64.dll" "16.01.2015 01:56"
+ "igfxcui" "igfxpph Module" "Intel Corporation" "c:\windows\system32\igfxpph.dll" "09.09.2013 18:26"
+ "LockHunterShellExt" "LockHunter Explorer Extension" "Crystal Rich Ltd" "c:\program files\lockhunter\lhshellext32.dll" "25.03.2009 08:53"
+ "LockHunterShellExt" "LockHunter Explorer Extension" "Crystal Rich Ltd" "c:\program files\lockhunter\lhshellext64.dll" "28.04.2009 10:21"
+ "PDF Shell Extension" "PDF Shell Extension" "Adobe Systems, Inc." "c:\program files (x86)\common files\adobe\acrobat\activex\pdfshell.dll" "11.05.2013 10:34"
+ "PushbulletCtx" "" "" "File not found: :/Program Files (x86)/Pushbullet/pushbullet_ctx.DLL" ""
+ "RecuvaShellExt" "Recuva shell extensions" "Piriform Ltd" "c:\program files\recuva\recuvashell64.dll" "14.03.2014 12:41"
+ "SD360" "360 Total Security" "" "c:\program files (x86)\360\total security\menuex64.dll" "12.01.2015 03:55"
+ "SourceGearDiffMergeShellExtension32" "SourceGear DiffMerge ShellExtension 32" "SourceGear LLC" "c:\program files (x86)\sourcegear\common\diffmerge\sourcegeardiffmergeshellextension32.dll" "23.10.2013 19:15"
+ "SourceGearDiffMergeShellExtension64" "SourceGear DiffMerge ShellExtension 64" "SourceGear LLC" "c:\program files\sourcegear\common\diffmerge\sourcegeardiffmergeshellextension64.dll" "23.10.2013 19:17"
+ "StartMenuExt" "Start Menu Helper Extension" "IvoSoft" "c:\windows\syswow64\startmenuhelper32.dll" "20.04.2014 18:17"
+ "StartMenuExt" "Start Menu Helper Extension" "IvoSoft" "c:\windows\system32\startmenuhelper64.dll" "20.04.2014 18:16"
+ "WinRAR32" "WinRAR shell extension" "Alexander Roshal" "c:\program files\winrar\rarext32.dll" "02.12.2014 11:07"
+ "WinRAR" "WinRAR shell extension" "Alexander Roshal" "c:\program files\winrar\rarext.dll" "02.12.2014 11:07"
+ "WinSCPCopyHook" "Drag&Drop shell extension for WinSCP (64-bit)" "Martin Prikryl" "c:\program files (x86)\winscp\dragext64.dll" "14.08.2013 12:22"
I you have any clue what might be going, I would be very happy to hear it. It's really annoying, as I have to kill explorer.exe and thereby close all my folder windows when this happens.
Thank you!
Best regards,
David Trapp

Hello,
thanks for having a look. However, I already ran SFC before posting on this forum (as part of my own investigation) and it came back clean. RescueTime (a time tracking tool) is probably not the culprit because it happened also several times in the past without
RescueTime being running (that was because I had accidentally removed it from autorun at that time).
Unfortunately, I can't follow your "invalid date" explanation. I don't think an "invalid date" is anywhere involved; in fact, the method in question is called "_TreeInvalidateItemInfo" and not "_TreeInvalidDateItemInfo"
(note that there is only one "d"), so I assume its job is just to invalidate (and in turn, refresh) the cached information about nodes in the left pane's folder tree of the explorer window(s) - since the folder tree is the only NamespaceTreeControl
(whose corresponding class name is CNscTree) in explorer folder view windows. As I see it, something is causing explorer to repeatedly refresh the folder tree data, but I am stuck at finding out what exactly.
Best regards,
David Trapp
EDIT: Disassembling ExplorerFrame!CNscTree::_TreeInvalidateItemInfo confirms that, because it seems to call TreeView_SetItem for a tree node and its parent (possibly with all fields set to *_CALLBACK), and CNscTree::_UpdateItemDisplayInfo
for the parent node.
EDIT2: I'd love to dig more into the trace, however I am hitting a wall at function names/addresses. Everywhere where I would expect a function name/address (such as the "by stack" views), I only see question marks instead. What
could be the reason?

Windows 8 won't find any airport after resuming from standby

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