Knowledgebase Categories
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avast! BackUp: FAQ - Performance
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avast! BackUp FAQ - Performance
Why does avast! BackUp show a different quota on the website than it does in the client?
avast! BackUp seems to bog down my system. Is there a way to fix this?
The Start Backup button is grayed out. How do I start my backup?
avast! BackUp is not uploading data fast enough.
Why do I keep getting a ConnectionError1?
I installed or upgraded
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General: Reporting an issue or bug with avast! software
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How to report an issue with avast! software to avast! Support?
Sometimes, the other programs and services running on your machine can conflict with avast! antivirus software and cause that they crash, or your computer starts freezing or getting a blue screen (BSOD). This includes additionally installed programs that you launch manually as well as programs and services that startup automatically and run in the background. When contacting avast! Technical Sup
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avast! 5.x: Troubleshooting a computer crash or the blue screen (BSOD)
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What to do if your computer keeps crashing, freezing or getting the blue screen (BSOD) after the installation of avast! 5.x?
Sometimes, the other programs and services running on your machine can conflict with avast! 5.x and cause that you computer starts crashing, freezing or getting a blue screen (BSOD). This includes additionally installed programs that you launch manually as well as programs and services that startup automatically and run in the backgro
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General: Uninstalling a third-party antivirus software
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When and why a third-party antivirus software should be uninstalled?
If you want to install avast! antivirus software on your computer, please ensure that there is no any other third-party antivirus software already installed. Running multiple antivirus programs on the same computer can cause conflicts, that usually result in false positive detections, performance degradation and system instability. Therefore it is strongly recommended to uninstall all othe
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avast! 5.x: Video Tutorials
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Are there any video tutorials available?
If you are looking for a video tutorials demonstrating the basic steps when starting to use avast! 5.x products please visit the following page:
http://support.avast.com/index.php?languageid=1&group=eng&_m=knowledgebase&_a=view&parentcategoryid=616
Conditions
avast! Free Antivirus 5.x
avast! Pro Antivirus 5.x
avast! Internet Security 5.x
Operating sys
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avast! 5.x: FAQ - General
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avast! 5.x FAQ - General
What are the supported operating systems for avast! 5.x ?
How to download avast! 5.x ?
Is it necessary to uninstall avast! 4.x before installing avast! 5.x ?
How do I register avast! Free Antivirus 5.x ?
How to insert the license file into avast! Pro Antivirus 5.x or avast! Internet Security 5.x ?
What should I do if avast! 5.x rejects purchas
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Control Panel under Windows 7 may start freezing on some Dell computers after installing avast! Antivirus
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Issue
Control Panel under Windows 7 may start freezing after installing avast! Home/Professional Edition on some Dell computers.
Details
This situation could occur due to incompatibility of older driver versions for some wireless adapters types used in few model series of Dell computers.
Solution
To solve the issue download and install latest updates from Windows Update and from Dell Support pages. Of course you should have updated even avast! program components.
Conditions
avast! Home
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avast! and computer black screen
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Symptomsavast! has just updated to the latest version 4.7.1029 . After completing the installation I have to reboot the system, afterwhich I just view the cursor. The computer just stops in a black screen before reaching the account login screen.
Cause/DetailsThis behaviour is commonly seen when you are using the ASUS utility - Data Security Manager.
For example bundled with – ASUS models G1S, F3SC, F3SV, F53Zs etc..
The Asus Data Security Manager driver contains a bug, and this bug is causing a freez
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MS Outlook 2003 slow email opening
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Symptoms
I’m using avast! 4.7 Professional, and I have the following issue, when I use MS Outlook 2003, mail in the in-box takes too long to open (especially with images).
Cause/Details
This usually happens when you are scanning all email messages, or you are storing all messages in the inbox.
Solution
Click with your left mouse button on the avast! ’a-ball’ icon in system tray, choose the Outlook/Exchange provider – use the ’Customize’ button and check ’Unread messages only’ , or you can uncheck ’
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Slow opening of a file from a network share
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SymptomsWhen I want to open a file from a network share, when avast! Server Edition is installed on the File Server, the opening of the same file takes 3 minutes and without avast 4 seconds. During the opening of the file the CPU load on the server is +/- 35%.
If the file is stored locally on the pc (where avast netclient is installed) it doesn't slow load the file, only when it is loaded from the network share. All Clients are Windows XP SP2.
SolutionPlease try the following procedure:
On the Fi
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How to invoke memory dump creation?
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How toHow to invoke memory dump creation?
Solution
When asked to create a memory dump (usually because of hanged avast! program), please follow these instructions.
Open regedit, go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\i8042prt\Parameters and add a new DWORD value called "CrashOnCtrlScroll" (no quotation marks). Make its value 1 (one).
Go to Control Panel -> System -> Advanced -> Startup and Recovery settings, and make sure the machine is set to generate COMP
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Computer is totally frozen after reboot
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I have just installed avast! and rebooted. But after that my computer is totally frozen! What should I do now?Cause/DetailsThis can happen if you install avast! on a computer where another antivirus is already installed. It will cause a conflict between them and the computer freezes.SolutionThe best precaution is to never use two or more antivirus programs at the same time. The solution: Uninstall the other antivirus using the safe mode of Windows. To start your computer in Safe mode: Start Windows, or if i
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avast! and other antivirus applications
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Should I remove other anti-virus programs (Norton Antivirus, McAfee, AVG, Kaspersky Antivirus etc.) before installing avast!?AnswerYes. Using two or more antivirus programs can cause problems and the operating system may become unstable. For many products there is uninstall utility available on vendor's website.
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[ENG] English (U.S.)
