LightSwitch installation problem.

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A short while ago I tried to install LightSwitch Beta, but after some sizeable and lengthy downloads, the installation aborts after trying to install Silverlight 4. It simply says that Silverlight 4 could not be installed. The log is not much help either, as the most informative entries are:

ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467260.

Return for Microsoft Silverlight 4.0 indicates a failed installation. DepCheck indicates the component is installed.

dlmgr: Hash verification failed for Silverlight_Developer.exe. HRESULT = 0x80091007

Error code 1502 for this component means "The event log file is full.

I am not amazed, and surprisingly I can still be disappointed with a Microsoft installation c**k-up, but nonetheless this bugs me. Mine is a fairly standard dev machine, so why shouldn't something like this just work as expected. Has anyone encountered a similar situation? If so, what did you do to proceed?

Posted 10-Oct-10 20:52pm

Brady Kelly

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Minhajul Shaoun · Answer 1 · 2010-11-03T14:09:00

Your system contains a newer version of Silverlight. You need to uninstall Silverlight and Silverlight SDK. Then try to install LightSwitch. After successful install, reinstall Silverlight along with it's SDK. That will solve the problem. Check the below link:

http://social.msdn.microsoft.com/Forums/en/lightswitchgeneral/thread/71868b12-eee7-4013-9548-8b6d425d9e47[^]