Avast Free Antivirus 歷史版本列表
更新時間：2008-07-24
更新細節：
What's new in this version:
- Web Shield: solved compatibility problems with Opera browser
- Web Shield: solved problems with some D-Link router devices
更新時間：2008-07-20
更新細節：
What's new in this version:
- improvements in some unpackers (WinExec, SFX CAB, LHARC, ZOO)
- check for critical system files is now performed even in the on-access scanner (as a prevention of false positives)
- command line scanner (ashCmd.exe): fixed displaying of directory count
- Windows Vista: during a scan of system drive, duplicate entries are now handled correctly (symlinks)
- Explorer extension process (ashQuick.exe) now ends immediately after aborting a scan
- fixed a bug in SMTP alerts (adding of random characters to the address)
- verification of digital signatures now fixed even for the on-access scanner (Windows Vista and Windows XP x64)
- fixed the setting to disable checking of infected files during on-demand scans
- Enhanced UI: it is no longer possible to delete a default task by using the Delete key
- solved a synchronization problem that could potentially lead even to a hang of an avast component (e.g. the Outlook plugin)
- Windows Vista SP1: solved an issue in the kernel driver aswSP.sys (problems during system shutdown)
- added a workaround to a compatibility problem with NComputing NCT
- Standard Shield: improved handling of exceptions
- improvements in the rootkit submission system
- mail scanner: fixes in IMAP handler (Thunderbird)
更新時間：2008-05-17
更新細節：
What's new in this version:
- solved incompatibility with System Safety Monitor (SSM)
- improved compatibility of the self defense module with XP SP3 (and its installation)
- minor enhancements in the Web Shield (detection of streaming content)
- minor fixes in the updater
更新時間：2008-05-13
更新細節：
What's new in this version:
- solved incompatibility of the avast self protection module and the System Restore feature (Windows XP/Vista)
- solved keyboard/mouse lags in some games (e.g. World of Warcraft)
- "Quick" scan now quick again (in the previous version, it was usually slower than "Normal" scan)
- fixed slow resuming from hibernation (on certain systems)
- improved stability of aswSP.sys kernel driver
- fixed deleting of infected files in some nested archives
- shell extension: under Windows Vista, shortcut targets are now correctly scanned
- boot-time scanner now correctly displays warning messages about corrupted archives
- improved scanning speed in the Simple user interface
- improved handling of scan exceptions
- self protection: improved detection of changes in the INI file
- start of the "avast! Mail Scanner" service should now be fast again
- fixed a problem with avast being installed in a directory with name containing non-Latin characters
- fixed entering of the license key (didn't work in certain configurations)
- improved detection/healing of MBR rootkits
- avast can now correctly handle the case when the INI file is missing/corrupted
- the "Disable startup rootkit scan" option on the Troubleshooting page now effective
- P2P Shield: added support for Azureus Vuze and Qtrax
- taskbar messages from Internet Mail should now correctly handle most common character encodings
- fixed problems with the boot-time scanner on FAT[32] partitions
- small improvements in some unpackers (WinExec, RAR, CHM)
- fixed the message announcing the license key going to expire soon
- on 64-bit Windows, avast now detects both 32-bit and 64-bit version of the WHS connector
- the avast Home / Pro Edition comparison window is now correctly displayed even under Windows 9x
更新時間：2008-03-30
更新細節：
What's new in this version:
- avast! now contains a built-in anti-rootkit protection
- avast! now comes with a built-in anti-spyware protection
- new self-defense function to prevent active malware from terminating avast! processes as well as corrupting avast! files and registry items
- scanners now display a progress of current scan (percentage of work done)
- fixed a vulnerability in AavmKer4.sys kernel-mode driver (problem applies to Windows NT/2000/XP, 32-bit only); special thanks to Tobias Klein
- improvements in boot-time scanner (detection & removal of hidden or hard to delete files)
- boot-time scanner will not start when booting into Safe Mode (the program was "invisible" in that case, no progress/messages could be seen)
- improvements in many unpackers
- ACE and RAR unpackers now work even in boot-time scanner
- IM Shield: added support for QQ
- improvements in handling of NTFS streams
- Internet Mail provider now displays the name of the sending/receiving program in the tooltip of its taskbar icon
- implemented a protection against false positives in critical system files
- removed a small memory leak in one of avast! drivers (Windows Vista and XP 64-bit only)
- added support for 64-bit WHS connector (available in WHS Power Pack 1)
- greatly improved performance of the updater, especially in cases where many increments are being downloaded (e.g. avast! installations with outdated virus definitions)
- silent installation now also includes scheduled tasks, if any
- resolved a compatibility issue with Acronis TrueImage (XP 64-bit only)
- compatibility tests with Vista SP1 and XP SP3
更新時間：2007-12-05
更新細節：
What's new in this version:
- fixed a vulnerability in TAR unpacker (special thanks to "Sowhat" of Nevis Labs)
- improvements in various unpackers (winexec, installer, CAB, NTFS Streams)
- boot-time scanner now functional even with USB keyboards
- speed improvements in the Outlook plugin (Windows XP+)
- Web Shield: compatibility improvements
- Internet Mail provider: improvements on Windows Vista
- CAB unpacker now working in boot-time scan
- RAR unpacker modified so that it is now more tolerant to certain corrupted archives (issue reported by Thierry Zoller of n.runs AG)
- Professional Edition: scheduled scan progress icon now accessible even in Windows Vista
- Windows 9x/ME: fix in the Mail Protection Wizard (related to Mozilla Thunderbird accounts)
- fixed a bug in the scan area selection dialog in Windows NT/2000
- optimizations in the updater
- removed mail heuristics false alarm (related to TNEF attachments)
更新時間：2007-09-07
更新細節：
What's new in this version:
- fixed a problem in the boot-time scanner (prevents the intermittent "Unhandled Exception" errors)
- added Inno Setup unpacker
- speed optimization of certain operations (e.g. scanning of emails in the Internet Mail provider)
- Standard Shield: fixed a memory leak (Windows NT/200/XP)
- mail scanner: fix in IMAP handler (solves problems with Nortel CallPilot, for example)
- Windows Vista: removed the conflict with Asus Data Security Manager
- Web Shield: now scans even data returned from HTTP POST requests
- speed improvements in the area selection dialog
- fixed various small issues on Windows Vista
更新時間：2007-07-29
更新細節：
What's new in this version:
- infrastructure changes in the scanning engine bringing higher detection rates
- fixed a bug that was sometimes causing crash of the avast! screensaver during its initialization
- improved handling of corrupted files in the SIS and CAB unpackers
- Standard Shield: fixed a minor memory leak in the Vista (and Vista only) driver
- Standard Shield: improved the "move to chest" command in Vista
- Standard Shield: the default scan exceptions are now valid for read/write access only (not execute)
- added more "installer" unpackers
- added more Win32 executable unpackers (Enigma etc.)
- for NTLM proxy authorization (via ISA Server) it is now possible to specify the account under which the avast! service will perform the update
- added Arabic language pack
更新時間：2007-05-01
更新細節：
What's new in this version:
- Professional Edition: fixed installation of the ScriptBlocker module which could have previously caused various problems (e.g. in Internet Explorer)
- program installation now completes successfully even if Spyware Doctor is installed (the "OnGuard" module of Spyware Doctor contains a bug that was previously preventing the avast installation from working correctly)
- program installation now better handles the situation when repairing previous (corrupted) installs
- mail scanner: fix for marking of new emails as "read" (the problem was taking place in Thunderbird 2.0 in conjunction with some IMAP servers)
- fix for scanning of areas with East Asian names (Windows NT/2000/XP/Vista)
- added Armadillo unpacker
更新時間：2007-04-19
更新細節：
What's new in this version:
- fixed the Outlook/Exchange provider on Windows 9x/ME
- solved incompatibility of memory scan with certain 3rd party applications
- fixed the boot-time scan under Windows NT 4.0