Can't Activate Avast

system · 2015-05-04T05:54:42.000Z

I renewed my Avast but it won’t install. Is it because I am still using XP?
When I press Insert Licence Key I get a window saying it has been successfully installed, but the Avast icon has a big X through it indicating that I have not got the new licence.
I then get a window that says it is updating my Avast, but nothing happens. It gets stuck on Step 1 of 3 steps. The message is "Initializing Please Wait’. I have been waiting for more than a day. What should I do please?

Asyn · 2015-05-04T05:59:08.000Z

Which Avast…? (Free/Pro/IS/Premier)
Which version…?
OS…? (32/64 Bit…? - which SP…?)
Other security related software installed…?
Which AV(s) did you use before Avast…?

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