That is interesting that MS has now started giving away Word and Excel, so far I have heard no complaints over the advertising that is supposed to be there either. I might suggest that those with Office 2010 starter go to Microsoft and download the free Powerpoint Viewer so they can enjoy some excellent Powerpoint shows that pass around in emails.

esteban if you do have java on your pc you need to make absolutely sure you are keeping it updated to the latest version and have removed all the old versions, most of the worst infections these days are coming through java vulnerabilities. To update java go to control panel select java, open the update tab and select to update now. To make sure all old versions are removed use the free javara tool. JavaRa to make sure all of your items are updated so you are not open to infections you can scan your pc with this secunia tool. Secunia Online Software Inspector (OSI) It is extremely important to keep java, flash on all browsers and all adobe products updated.

I followed your suggestion on a file saved to my system and the file did not have the "read only" box checked, but when I open it ... it defaults to "file viewer" mode. When I try the same action on a file sent to me, selection of properties does not show the check boxes for read only, etc.

Down here we use open cell above grade and closed cell below Building Science articles do mention both cc and oc being used in attics, but they explicitly recommend cc. See "Unvented Roofs for All Climates" and "Understanding Attic Ventilation" (See Link below.) As I mentioned above, cc is excellent in attics as it acts as a secondary liquid water barrier. At the same time, it is permeable, allowing vapour to move both ways depending on the season. As for "hiding" leaks, I have seen commentary from foam appliers who handle all kinds of foam say that in case of leaks cc focuses the water, so it's easier to spot the source. Because oc foam is more permeable and holds water, the R value is degraded, which means the sheathing is more easily reaching dewpoint, which is not desirable. The same logic applies below grade. The one time I used oc foam, it was applied in cold weather and shrunk back considerably around the rim joists; this is recognized in the literature but brushed off as a minor quibble. When I've used cc foam in basements, rim joists, garage ceilings and attics (but not under the decking) I had none of those problems. Clint Eastwood's Dirty Harry had a famous comment about opinions--that I won't use here. That's why I try to reference mine to Building Science, whose principals are among the leading building scientists around; and who are also the source of much info at the US Energy Department --Energy Efficiency and Renewable Energy--Building Technologies Department. Here is a link that might be useful: Vented and Unvented Roof Recommendations