Icons going missing from Windows 7 taskbar..

I'm setting up a new Vaio (W7 HP x64) and having pinned a number of programs to the taskbar,, after a couple of hours the Skype and Picasa icons disappeared and were replaced with the default Windows square icon.

. I re-installed both which restored them but then the Picasa icon disappeared again.. other icons are so-far OK..

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Dhiraj MuthaLevel DCommented:
To Reset Icon cache follow the below mentioned steps –

1. Right click on empty area of the desktop and click on Personalize.

2. Click on the Display Properties link.

3. Under Colors, select Medium (16-bit) and click on Apply. (See screenshot below)
NOTE: If you already have Medium (16-bit) selected, then select Highest (32-bit) instead. Sometimes you will need to do a restart first, then proceed to step 4. Try both ways.

    A) Click yes to confirm the new settings.

4. Now, select Highest (32-bit) and click on OK.
NOTE: If you already have Highest (32-bit) selected, then select Medium (16-bit) instead.

    A) Click on Yes to confirm the new settings.

To Rebuild icon cache follow the below mentioned steps -

1. Open Folder Options to select (dot) Show hidden files and folders.

2. Open a Windows Explorer window.

3. Go to C:\Users\(User Name)\AppData\Local
4. Right click on IconCache.db and click on Delete.

5. Click on Yes to confirm the deletion.
NOTE: This deletes the file to the Recycle Bin. It is safe to empty the Recycle Bin when finished.

6. Close the window.

7. Empty the Recycle Bin.

8. Restart the computer.

9. When you go back, you will notice the Size of the IconCache.db file is smaller, and the Date Modified is now the current date. (See screenshot below)
NOTE: If for some reason IconCache.db is not there or the size has not changed much, then just restart the computer again. You may need to restart a couple of times in some cases.

10. The icon cache has been rebuilt.

Hope this helps. Let us know the results.
chrisfixitAuthor Commented:
I reset the cache as in the first part and it's returned.. do I need to rebuild it?
chrisfixitAuthor Commented:
The iconcache is already current - only 30 minutes since 'last modified'.
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chrisfixitAuthor Commented:
Ok I deleted it anyway and restarted and the Icon was changed to windows default again, I reset them again and it came back.. what is happening?
ok .. do you have uac turned on?

chrisfixitAuthor Commented:
every time I reboot I lose the same Icon - no I turned UAC off.
I've seen the same problem, Ive always ended explorer.exe and then deleted the cache, after that the fix seems to stick. This is the bat file i use:

taskkill /IM explorer.exe /F
CD /d %userprofile%\AppData\Local
DEL IconCache.db /a
shutdown /r

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chrisfixitAuthor Commented:
Thanks that seems to have worked - at least for the moment :-)
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