Failed To Launch Downloader Cisco Anyconnect 4.10 -

setup.exe /norestart /quiet /log install.log

Then check install.log for specific errors.

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Follow these steps in order. Apply only one fix at a time, then retry the AnyConnect installer. failed to launch downloader cisco anyconnect 4.10

Open a support case if you have tried all the above and still see the following in the AnyConnect-WebLaunch.log (located in %TEMP%\Cisco): Then check install

Error: Failed to verify signature of downloader
Error: Could not create process from stub
Error: XML parser failed - missing <config> tag

Provide Cisco with:

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A broken executable association triggers "failed to launch" because Windows doesn't know how to run the downloader. Follow these steps in order

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If using the MSI-based installer:

msiexec /i "anyconnect-win-4.10.xxxxx-pre-deploy-k9.msi" /lvx* C:\temp\anyconnect_log.txt

Search the log for return value 3 or failed to launch.