I didn’t have any problems with my 4.8 edition , but when it expired yesterday , I deleted it and got the avast 5 home edition .
When I try to repair it , it says that the avast is unstable .
Try a clean reinstall:
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Download the latest version of avast, 5.0.507 http://www.avast.com/free-antivirus-download and save it to your HDD, somewhere you can find it again (if you didn’t save your last download). Use that when you reinstall.
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Download the avast! Uninstall Utility, aswClear5.exe find it here and save it to your HDD (it has uninstall tools for both 4.8 and 5.0).
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- Now uninstall (using add remove programs, if you can’t do that start from the next step), reboot.- 2. run the avast! Uninstall Utility from safe mode, first for 4.8 if previously installed and then for 5.0, once complete reboot into normal mode.- 3. install the latest version, reboot.