please!
the sxe injected file is not a malware
the sxe injected file is not a malwareyou mean URL ?
can you attach a screen shot of avast warning ?
Please, do not link to false positives of malware!
Break the link!
Submit it to www.virustotal.com and post back its link.
Thanks.
already done that Tech… 
VirusTotal - URLscan
http://www.virustotal.com/url-scan/report.html?id=9bbe09a8d8fe296b3253deede3f920fd-1321213251
VirusTotal - HTMLscan
http://www.virustotal.com/file-scan/report.html?id=d523d3cb38e58dee68d8d83127842778d64d4de1e7ff38ac310f481ac4dcdcfb-1321217109
Unmaskparasites - This page seems to be
http://www.UnmaskParasites.com/security-report/?page=www.sxe-injected.com
Wepawet - looks strange ???
http://wepawet.iseclab.org/view.php?hash=3259f4977bfb5b771e66ab93da270e18&t=1321217518&type=js
urlquery - http://urlquery.net/report.php?id=8308
is not de web
is the file, the program of sxe-injected (the .exe)
http://i1118.photobucket.com/albums/k617/HarrySanti/sxeavast.png
OK so you have a file called sXe.injected.exe (if i see you picture correct )
Is this the file you have sXeInjectedSetup.12.0.Fix.2.exe ?
jotti
http://virusscan.jotti.org/en/scanresult/b61b4afa007e04d5724fd180663b691360aa3a8e
Metascan
http://www.metascan-online.com/results.cgi?uid=kamyti8o63xwpcp2y9lzi2o9vyvb9met
Is your avast updated ?
yes
my avast update is the next:
111113-1
6.0.1289
Report False Positive here
Información de contacto de avast! http://www.avast.com/es-es/contact-form.php?loadStyles
I already did. but the the program is big to upload
but always is the same 
how big is the file…is there a upload limit ?
Try this then
Submitting files from the Virus Chest to avast! Virus Lab
SEE PICTURE 2 - select FALSE POSITIVE
http://support.avast.com/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=501#idt_07
i did
OK now you have to wait for new updates and see if / when they fix it
you can right click the file in chest and rescan it, when it say clean then you can restore it from chest