After you downloaded the file with the latest Avira Antivir Definition updates, try to copy it to a flash memory or cd/dvd for transfering it to your PC, insert the media into PC, run AntiVir Personal Edition Classic or AntiVir Personal Edition Premium, click on menu Update, select Manual Update, choose the IDF file and select open. That's it! Download updates from here!
software allows you to rurn multiple instances of Yahoo Messenger (many account of yahoo messenger will run on tha same PC). Now is available for download Yahoo Multi Messenger 9x, 10 and 11, and for installation all you need is to unzip the file, read carrefuly the instructions from the readme.txt file, double-click on install file. Y!Multi Messenger program will modify just the registries.