What happened to my list of folders and preview pane?

Disclaimer:
Please make sure that you possess the fundamental and required skill sets before you implement any advice or attempt to perform any troubleshooting steps we, or other websites, might recommend. You should also be advised that we have no control over how you perform any troubleshooting steps nor do we have any control over the content of other third-party websites you might visit that are listed in our weekly newsletter. We also do not know if you have patched your computer with the latest security updates nor do we know if your anti-virus definition files are fully up-to-date.

Therefore, in no event shall Bright Ideas Computing or any of its third-party product or service providers be liable to any person for any special, incidental, indirect, consequential, or punitive damages of any kind, including, without limitation, those resulting from loss of use, loss of data, or lost profits, in connection with any advice provided by Bright Ideas Computing, damages resulting from visiting third-party websites or damages resulting from implementing any advice from those third-party websites, whether or not you are advised of the possibility of such damages.