Hello, I wanted a help installing eset smart security 4 ... I am Brazilian and I know almost no English (it was all the google translator) ... the problem is that when I install eset 4 the following message appears: " Could not write value AppDataDir the key \ Software \ ESET \ ESET Security \ CurrentVersion \ Info. Make sure you have sufficient privileges to access the key, or contact technical support. " ... I installed as administrator of the computer, but it did not ... I tried the solution in Brazil forum and found nothing about it. observation: I migrated from Windows XP to Windows 7 lately. Thanks.