Hi there,
i had to wipe my PC recently and have tried to reinstall AutoCAD LT 2011 back onto the same machine but it now says that my serial number is invalid (see attached) Ive had a look around the forum and found a few others with the same porblem but i cant find the solution, ive also sent a call back request a couple of days ago but have heard nothing back yet and the realtime chat is constantly too busy....is there anyone on here that might be able to help?
many thanks
Keith McNeill.
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