avast icon in the system tray don´t work

[system]

hi to all. first, sorry my english. i am from argentina and speak in spanish.
well, the problem is: i downloaded avast pro trial and installed it in my pc. but the icon in the system tray dont work. why?
in my pc have ad-adware and adwatch. before my AV was AVG ANTIVIRUS. it’s a problem with the registry of windows? i created in the registry c:\archivos de programa(progam files)\alwil\avast4\ashdisp.exe as a key in hklm\software\microsoft\windows\current version\run. thanks for any help.

[system]

@CrimsonKing71 post:1

hi to all. first, sorry my english. i am from argentina and speak in spanish.
well, the problem is: i downloaded avast pro trial and installed it in my pc. but the icon in the system tray dont work. why?
in my pc have ad-adware and adwatch. before my AV was AVG ANTIVIRUS. it’s a problem with the registry of windows? i created in the registry c:\archivos de programa(progam files)\alwil\avast4\ashdisp.exe as a key in hklm\software\microsoft\windows\current version\run. thanks for any help.

[DavidR]

in my pc have ad-adware and adwatch.

Your answer is adwatch, this is blocking the creation of the startup entry for the ashDisp.exe (the avast icon and interface), either disable adwatch or have it notify you of changes (not automatically block) and allow the startup entry for ashDisp.exe