Typically, when you receive a .dll error when installing or updating Webshots, it is caused by not having your Operating System up to date.
Not keeping Windows up to date can cause many problems, inclucding serious security vulnerabilities, and in this case, the inablility to install and update programs.
To avoid this, and other issues, we suggest allowing Windows to install updates automatically. when needed.
Here is a link with information to update your operating system manually:
Here is a link to set your Windows updates to happen automatically:
Once your computer's operating system is up to date, please install the current version of Webshots here, http://webshots.com/desktop