avgui.exe is a application which is probably NOT a virus. So, if avgui.exe is on your system, it is probably ok, and will NOT cause problems. Even if your system is virus-free, we still advise you to purchase a good antivirus with a good track record, in order to yourself your system against potential security problems.
This program is usually stored on disk in C:\Program Files (x86)\AVG\Av\avgui.exe.
The MD5 checksum for this executable is f9778d8b4c4428cb1a74518a186958c1.
This program does NOT operate as a Windows service. This is usually a good sign.
64-bit code has been detected. This program can put to good use the full power of a modern computer cpu.
The description stored in the file is AVG User Interface.
File version stored as a property 22.214.171.12497.
Company name AVG Technologies CZ, s.r.o..
Copyright notice Copyright (C) 2010 AVG Technologies CZ, s.r.o..
This file does NOT have visible windows. This is most likely a bad sign.
Some insecure functions of the Operating System appear to be used, such as functions for tapping the keyboard. We recommend you to perform more in-depth research about this program.
avgui.exe is digitally signed. Today the large majority of clean programs are digitally signed.
The digital signature attached to avgui.exe is valid. This is very good.
Digital certificate name: AVG Technologies CZ, s.r.o.
Certificate's issuer name: VeriSign Class 3 Code Signing 2010 CA
It has an uninstall routine, which is a good sign. si are uninstall.