Does avg 2012 provide real time protection against spyware and malware?
Yes, Of course, this is what it is meant for.
if it does do i still need other programs like spybot and windows defender?
No. You don't need any other program. AVG 2012 is capable of protecting your computer alone.
Also, you should not have more than one active antivirus programs at the same time. The active components will conflict with each other. Generally you won't see the effects of the conflict but you will make both programs less effective none the less. Choose one antivirus program and uninstall the other one.
do i still need other programs like spybot and windows defender?
Unfortunately no security solution can detect 100% of threats as new variations are created daily. So it is possible that some undetected infection can get into your computer. However, AVG Technologies virus lab experts are working non-stop to make sure that AVG is updated as swiftly as possible. Therefore if you do become infected with something AVG isn't detecting there's nothing wrong with having other anti-spyware utils such as Spybot S&D, Windows Defender or Malwarebytes installed to scan your system but don't use their real-time protection.
why do you need to turn off other real time protection?
This information is actually already a part of my previous post (post #171921) in this thread.
The active components of two real time protection will conflict with each other. Generally you won't see the effects of the conflict but you will make both programs less effective none the less. Choose one antivirus program and uninstall the other one.
I know not to run two anti virus programs at one time, i am asking about anti spyware and antimalware programs. why do you need to turn off real time on say windows defender and what about tea timer with spybot?
Spybot S&D has a feature called TeaTimer. If this is enabled it can affect the installation of AVG. The later versions of Spybot S&D have TeaTimer enabled by default. To disable TeaTimer you must switch it to the Advanced mode and go into the Resident area of the settings... To check bring up Spybot S&D->Mode->Advanced mode->Tools->(Double Click)Resident->(Disable)TeaTimer.
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Apparently I'm the exception to the rule stated above in that I've experienced NO problems, and I mean ZERO problems with having resident protection from AVG and other non-anti-virus applications, like Spybot S&D and SUPERAntiSpyware.
I was posted above that multiple resident protection programs WILL conflict with each other. I would like to revise that statement to be CAN conflict with each other. I've run AVG along with Spybot's Teatimer AND SUPERAntiSpyware's resident protection (the free version of SUPERAntiSpyware that is) without incident.
AVG's resident protection blocks and deals with the threats it knows about, SUPERAntiSpyware's resident protection simply kept IE's home page from being changed, and TeaTimer would warn about certain registry settings that were attempted to be changed by an installer or something. No conflicts at all and the system (Windows XP Home Edition (SP3)) is very stable.
I WHOLEHEARTEDLY recommend supplementing AVG with at least one anti-malware application, namely Malwarebytes. I can't tell you how many times I've sent a missed detection in to AVG for analysis, based on Malwarebytes detecting a threat.
Of course, everyone should be careful and choosing good applications with solid reputations to protect their computers from threats.