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Installation error: Could not open Telerik.Web.UI_2011_2_915_Dev.msi or Telerik.Web.UI_2012_1_215_Dev.msi

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Installer and VS Extensions
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Midas
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Midas asked on 13 Mar 2012, 04:07 AM
Hi,

I just downloaded both Telerik.Web.UI_2011_2_915_Dev.msi and Telerik.Web.UI_2012_1_215_Dev.msi. So that I can upgrade my current Telerik.Web.UI current version (2008.2.1001.35). But I can't seem to install either of them. I am getting the Windows Installer error "This installation package could not be opened. Contact the application vendor to verify that this is a valid Windows Installer package."

Other info
- OS: Windows XP SP3
- Just upgraded my ASP.NET project from VS2008 (.NET 3.5) to VS2010 (.NET 4.0)
- The current project is also now a hybrid ASP.NET Web Forms and ASP.NET MVC 3. That's why I need to get the new version because I am getting some weird "microsoft jscript runtime error object doesn't support this property or method" error and hoping that upgrade in the control might fix my problem, which did not exists in VS2008.

Can you please help?

Regards,
Midas

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Andrey
Telerik team
answered on 13 Mar 2012, 09:01 AM
Hi,

That error message basically indicates the installation package is corrupted. I would recommend attempting another download and trying again.
 
If you keep getting the error, you could use a download manager such as FlashGet or GetRight in order to ensure your download is complete.

Let me know if that helps.

Regards,
Andrey
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Midas
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answered on 14 Mar 2012, 05:19 AM
Hi Andrey,

Thanks for your reply. You are right. My download was corrupted. The download said it was 'complete' while I only had around 350KB file size. I have had a complete download have have installed the new version successfully.

Cheers,
Midas
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Andrey
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