Did you recently have a trial version of Office 2007 on your computer and decided to uninstall it? Often, the uninstaller in the trial version of Office will break. This leaves Office 2007 permanently on your computer, in an unusable state. I had this happen to a client’s computer today and had to run some tools in order to get Office 2007 reinstalled.

When I tried to install Office 2007 “over” the trial edition, the installer would get a vague error saying “Office 2007 encountered an error during setup.” Read more for the solution.

If you uploaded some Microsoft Office 2007 files onto your Apache server, you will notice that the files will open up as a zip file from your browser. To fix this, you will need to add the new file extensions to the Apache configuration file so that it will know how to set the correct file type. At first, I tried editing the /etc/mime.types file, but that did not work for me. So, I added the file types into the Apache configuration file and voila — it worked.

In Apache, edit the httpd.conf file. Or, in Apache2 edit the apache2.conf file. Search …