Hi Mike,
Feel free to delete the content of the
%programdata%\Telerik\Installer\Downloads folder. Currently we store the installation files there in order to provide quick maintenance of the installed products without having to download the installers again.
You can manually delete the installation files or use the
Delete Cached Installer Packages functionality in the
Options dialog (see attachment) of the
Telerik Control Panel.
Please let me know if any questions arise.
Regards,
Dyanko
Telerik
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