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"Had" problem with taskbar tray icons missing and windows explorer lag

Discussion in 'Windows Vista' started by Newuser12345215, Jan 9, 2011.

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  1. Newuser12345215

    Newuser12345215 Thread Starter

    Joined:
    Feb 9, 2007
    Messages:
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    I solved this problem by system restoring but the question I have is what caused the problem? Could it be data corruption, malware, or something else? It seems to definitely be software related since I fixed the problem by system restoring.

    I did not remember any major differences (software related) between the days this problem has not occurred and started occurring with the exception of a Windows Update for "Windows Defender" (it is possible for a definition update to cause these symptoms?).
    _____________________
    Two problems I "had"(before system restore):
    1. Taskbar icons not appearing ("most" aren't showing up; the processes are running).
    2. Really bad Windows Explorer lag (+40 second lag when opening folders in start menu, alt tabbing from full screen, etc).

    About four days ago, I started Vista and noticed some of my taskbar icons missing (despite the fact that they're all loaded when I checked the task manager).

    I followed this guide which said to go to

    "HKEY_CURRENT_USER\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion \TrayNotify"

    and then delete the values "IconStreams" and "PastIconsStream".

    I did that and restarted explorer.exe, it worked and brought back my taskbar icons.

    However it's not permanent (the problem comes back after I restart my computer) and Windows Defender never reappears in the taskbar even after I followed those steps.

    On the same day of the problem, I notice windows explorer in general has been really unresponsive and slower than usual.

    For example - when I go to "Start Menu" then open any folder, windows explorer lags for 40+ seconds (anything explorer related lags and is frozen) before the folder actually opens.

    Another example - When I alt + tab from a full screen video game (doesn't matter which game), it also lags 40+ seconds before explorer responds and updates. Before this problem occurred, windows explorer rarely lagged or slowed down for more than 3 seconds (but now 40+ seconds).
    ________________________

    I fixed the problem by system restoring but does anyone know why these symptoms showed up in the first place? I want to avoid it from happening again but if it does happen again how can I solve this issue without system restoring? Also I did a virus scan with Avast (custom settings, I set all the scan settings to highest) but found nothing during the period of problems.

    Any help and info will be really appreciated, thanks.
     
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