On an Aspire one netbook that I've not used for some time, so loads was out of date. I've just updated firefox, and that was fine. But I keep getting warning messages about adobe flash being out of date and vulnerable, so have tried to update that too. I've tried about half a dozen times, and every time manage to download the update exe file, but every time it fails to fully install and gives this message: "Error has been encountered. Close this window and try downloading again." I've gone back to the download page, and checked various possible causes. I've closed firefox first - no difference. The exe file seemed to vanish from the downloads folder, so this last time I copied it to the desktop. After the error message appears - the exe file has disappeared from the desktop. Weird. I've tried switching off the warning message on the webpage (in case that was also blocking the newly downloaded file even when I wasn't connected to the internet, but it doesn't seem to make any difference). Maybe I don't really care whether adobe is working or not, as I don't use the netbook much anyway - but I feel very uneasy with that warning message on so many web pages. I've tried searching forums, but it was all a bit beyond me. Thanks for any help.