Kaspersky Internet Security 2011: Critical Fix 1 (build



Kaspersky Internet Security 2011


Kaspersky Internet Security 2011: Critical Fix 1 (build

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2012 Aug 28 ID: 4387

On July 20, 2010 Kaspersky Lab announces release of Critical Fix 1 for Kaspersky Internet Security 2011 (build

IMPROVEMENTS compared to version

  1. Support of the Windows 7 Service Pack 1 operating system has been added.
  2. Support of Microsoft Office 2010 has been added.
  3. Support of the Thunderbird 3.0 mail client has been added.
  4. The incorrect display of the status of a detected threat (encountered if the object containing the threat is deleted manually before it is deleted by the application) has been fixed.
  5. The incorrect display of an object in the list of detected threats after it is deleted, has been fixed.
  6. The display of the status of a detected threat in interactive mode after it is added to exclusions, has been fixed.
  7. The errors in the display of the computer protection status in the main application window have been fixed.
  8. The problem of increased load on the CPU and operating system hang occurring when updating the application, has been fixed.
  9. The conflict with torrent clients has been resolved.
  10. The information actualization error in the Quarantine window occurring when taking actions on objects (such as restoring, adding, and deleting an object, or clearing the storage area) has been fixed. Previously, the user had to close and then open again the Quarantine window to update the information.
  11. The incorrect display of the mouse cursor in Safe Run has been fixed.
  12. The option of running the scan from the context menu of an object (Shell Extension) in Safe Run has been restored.
  13. The slowdown occurring when opening the window with information about the activity of applications installed on the computer, has been fixed. Previously, the slowdown occurred if a large volume of information was displayed in the window.
  14. The error in inheritance of restrictions from a parent process in Application Control has been fixed.


  1. When working in Safe Run, the following issues may be encountered:
    • Folder attributes cannot be edited.
    • Switching from online banking websites to any other types of web resources is not controlled.
    • The gadget does not support switching from Safe Run for Applications to the standard operation mode.
    • Some applications cannot be installed.
    • Safe Run can only be cleared if a certain amount of time passes after it is closed.
    • Virtual Keyboard does not function when Safe Run for Applications is enabled.
    • When using two monitors at the same time, the system may consume a significant amount of resources when running applications.
  2. Information about the volume of traffic displayed in the Firewall settings is not updated in real-time mode. The user has to close and re-open the window in order to update the information.
  3. Some mail formats may be processed improperly when scanned for viruses.
  4. If the application is installed over a version, which is lower than 2010, the settings from the earlier version may be exported improperly.
  5. If the user cancels the application removal procedure started before, the application may need to be restored or reinstalled.
  6. When working with Quarantine and Backup, the following issues may be encountered:
    • When restoring a file from Backup, its attributes are not saved.
    • When starting scan of an individual quarantined file from the context menu, all quarantined objects are scanned.
    • Changing the value of the "Maximum size of Backup" setting or lifting restrictions imposed on it require the restart of the application.
  7. When an event notification is sent by email, the addressee may receive two identical messages.
  8. Virtual Keyboard does not support the Sogou Chinese language. When dragging Virtual Keyboard, its content is not displayed.
  9. When the Kaspersky Gadget is enabled, the user cannot manage Safe Run for Applications and view the news in News Agent.

In order to install Critical Fix 1, perform the following actions:

  1. download Kaspersky Internet Security 2011 version from the Kaspersky Lab official site: http://www.kaspersky.com/kis_latest_versions
  2. run the downloaded file
  3. install the latest product version over the current version
  4. restart your computer.
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