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Unable to use telerik sl controls

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Installer and Visual Studio Extensions
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Michael Salzlechner
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Michael Salzlechner asked on 15 Aug 2011, 05:28 PM
I have been using the SL controls for a while and have not installed anything lately that i could think of is causing this

First thing i noticed was that silverlight controls did not appear in the Telerik menu. All other extensions (ASP.NET, MVC, etc) are there

i then tried to create a new project (Telerik C# Silverlight ) and get the error in the attached screenshot

i then reinstalled RadControls_for_Silverlight_4_2011_1_0419_Dev.msi

after reinstalling i still had the same problems (the samples run btw)

then i came across the post about the 'Telerik Silverlight VS Extensions' and thought i'd try to install it

it showed me the following error messages during install

-------------------------------------------------------------------
8/15/2011 12:19:37 PM - Verifying matching extension signatures before updating...
Installed Extension Path: C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\Extensions\Telerik\Telerik.Windows.Silverlight.VSPackage\2010.1.422\
Update Extension Path: c:\users\mikes\downloads\telerik\vsextensions\telerik.windows.silverlight.vspackage.vsix
8/15/2011 12:19:37 PM - Uninstalling 'Telerik.Windows.Silverlight.VSPackage', version 2010.1.422.0.
8/15/2011 12:19:37 PM - Microsoft.VisualStudio.ExtensionManager.InstallByMsiException: Extension Telerik.Windows.Silverlight.VSPackage must be uninstalled through the Windows Add/Remove Programs dialog.
   at Microsoft.VisualStudio.ExtensionManager.ExtensionManagerService.Uninstall(IInstalledExtension extension)
   at VSIXInstaller.InstallProgressPage.BeginInstallVSIX(SupportedVSSKU targetAppID)
8/15/2011 12:19:37 PM - Install Error : Microsoft.VisualStudio.ExtensionManager.InstallByMsiException: Extension Telerik.Windows.Silverlight.VSPackage must be uninstalled through the Windows Add/Remove Programs dialog.
   at Microsoft.VisualStudio.ExtensionManager.ExtensionManagerService.Uninstall(IInstalledExtension extension)
   at VSIXInstaller.InstallProgressPage.BeginInstallVSIX(SupportedVSSKU targetAppID)
-------------------------------------------------------------------

i tried to uninstall using the VStudio Tools->Extension Manager (VS run as administrator). i can uninstall most telerik extensions except for the silverlight one. it says you have to remove via add/remove programs

problem is it is not visible in add/remove programs at all

any idea how to get my ide to play nice with radcontrols again ?

thanks

Mike






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Michael Salzlechner
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answered on 15 Aug 2011, 05:51 PM
i manually removed all telerik files in the vstudio extension folders and removed all traces of telerik in the xml files and was then able to install the VSExtensions

looks like it might be working now

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Petar
Telerik team
answered on 16 Aug 2011, 08:04 AM
Hi Michael Salzlechner,

I am glad to hear that you resolved the issue. I would have suggested you the same solution to the problem.

If you have any future inquires, please write us again.

Best wishes,
Petar
the Telerik team

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Installer and Visual Studio Extensions
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Michael Salzlechner
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Answers by
Michael Salzlechner
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Petar
Telerik team
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