What you should know about aswidsagenta.exe Avast Behavior ShieldĪswidsagenta.exe is not part of Windows, but it is important nonetheless. Access violation at address FFFFFFFF in module aswidsagenta.exe.aswidsagenta.exe has encountered a problem and needs to close.Windows will close the program and notify you if a solution is available. A problem caused the program to stop working correctly. Avast Behavior Shield has stopped working.Windows is checking for a solution to the problem. This software is produced by AVAST Software (or, as the case may be, AVG Technologies CZ, s.r.o (An obsolete or defective version of aswidsagenta.exe can cause problems for your computer that can range from slowness to error messages such as these: The aswidsagenta.exe process is also known as Avast Behavior Shield or, as the case may be, AVG Software Analyzer and is a part of Avast Free Antivirus or, as the case may be, Avast Premier. Home > Windows files > aswidsagenta.exe What does the aswidsagenta.exe file do?