Hello ng,

we have some strange behavior with our clickonce-applications.
The applications were installed successfully. We can start it after
installation without problems. But sometimes all installed apps on the client
are away. The Shortcuts are in the startmenu but the specific icons are away
and when we click on this, the application has to be installed again (we have
no new version published). In "Add Remove Programs" all applications are
still listed. This behavior affects all users but not at the same time.

Our Webserver is a failover-clustered server. First we thought it could be
happend when the server does a failover but the applications dissapear at odd
times without relation to a failover.

What can we do to solve this problem?

Hi,

I will give this issue a reseach and get back to you ASAP. Thanks.

Best regards,
Jeffrey Tan
Microsoft Online Community Support
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Hi,

Sorry for letting you wait.

This sounds like the cached files in the store are being removed from the
machine somehow.  Are they doing any kind of profile cleanup on the machine?

After performing somr research, I found one similar bug in the internal
database. There's a hotfix that addresses loss of store information,
available at:
"FIX: Message when you try to start a ClickOnce program in the .NET
Framework 2.0: "Do you want to install this application?""
http://support.microsoft.com/kb/922935/en-us

It's hard to tell without further information on whether issue below is the
same one addressed by hotfix.

I would recommend you pick up hotfix and check if it still repros.

Hope this helps.

Best regards,
Jeffrey Tan
Microsoft Online Community Support
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Hi,

thanks for your response,
I viewed the kb-article. It describes symtoms, that every time you click on
the Application it causes reinstall but in our case, it sometimes causes
reinstall (it works one, two or three weeks perfectly but then you have to
reinstall all applications on the client).
I found out, that in C:\Dokumente und Einstellungen\UserID\Lokale
Einstellungen\Apps\2.0\ there are some folders with names like 454LEC78.53G

In these folders there are files from click-once installations. In the
newest (Folder-ModifyTime) folder there are only the applications, that I
reinstalled since the last "installation-forget-point". When I (re)install an
application, its added into this folder.

It looks like click-once creates sometimes a new folder and uses this
instead of the old folders. I currently have ten folders (+ the data-Folder)
in Apps\2.0 with dates from 11/09/2006 to 03/07/2007

I will try out the hotfix and post my experience

Hi,

Ok, please feel free to give the hotfix a try and let me know the result,
thanks.

Best regards,
Jeffrey Tan
Microsoft Online Community Support
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Hello,

since I have installed the Hotfix, I have no problems. I think that it works.

Thanks again.

""Jeffrey Tan[MSFT]"" wrote:

Show quoteHide quote

Hi,

Glad to see the hotfix works for you. If you need further help, please feel
free to post, thanks.

Best regards,
Jeffrey Tan
Microsoft Online Community Support
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most efficient resolution. The offering is not appropriate for situations
that require urgent, real-time or phone-based interactions or complex
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