So i downloaded the latest patch 6.3 i unzipped it all and went to setup it told me i needed to update 6.2, it went all the way to the last file and it came up with this

ERROR Creating update file C:\program files\sports interactive\Football manager 2006\fm.exe

Error 0x00000020 - the process cannot access the file because it is being used by another process

Can anyone understand this and wot do i need to do in order to fix this