Patch S

Patch S for Kaspersky Anti-Virus version 19.0.0.1088 was released on August 15, 2022.

Patch S adds the support of the RFC9218 standard for HTTP/2. This will eliminate errors accessing certain websites.

To install the patch:

1. Run the database update in Kaspersky Anti-Virus. For instructions, see this article.
2. Once the update is complete, restart the computer.

The patch will be installed. To make sure that the patch was installed successfully, open the application's main window and click  in the lower-left corner. In the window that opens, you will see the full application version number with the letter s added to it.

To complete the patch installation successfully, computer reboot is required. If you don't reboot the computer in seven days after the application receives the patch, the icon on the Windows taskbar will turn red.

Patch R

Patch R for Kaspersky Anti-Virus version 19.0.0.1088 was released on June 6, 2022.

In patch R, we have optimized the performance of the application.

Patch O

Patch O for Kaspersky Anti-Virus version 19.0.0.1088 was released on March 9, 2022.

Patch O fixes several application issues.

Patch N

Patch N for Kaspersky Anti-Virus version 19.0.0.1088 was released on September 14, 2020.

In patch N we have fixed:

• The issue of license connectivity with Kaspersky Password Manager.
• We have fixed the incorrect display of a country through which the connection is established in the Kaspersky Secure Connection interface.

Patch M

Patch M for Kaspersky Anti-Virus version 19.0.0.1088 was released on May 13, 2020.

Patch M adds the support of Windows 10 20H1 version 2004.

Patch L

Patch L for Kaspersky Anti-Virus version 19.0.0.1088 was released on February 17, 2020.

In patch L:

• We have added limited compatibility with Windows 10 20H1.
• We have eliminated the vulnerability which allowed skipping the certificate check.
• We have fixed several application issues.

Patch K

Patch K for Kaspersky Anti-Virus version 19.0.0.1088 was released on December 9, 2019.

In patch K we have fixed several application issues.

Patch J

Patch J for Kaspersky Anti-Virus version 19.0.0.1088 was released on November 25, 2019.

With patch J: 

• We have fixed the vulnerability which allowed removing third-party extensions from Google Chrome.
• We have fixed a number of minor issues, some of which have been detected with the help of our users.  

To install the patch:

1. Run the database update in Kaspersky Anti-Virus. For instructions, see this article.
2. Once the update is complete, restart the computer.

The patch will be installed. To make sure that the patch was installed successfully, open the application's main window and click  in the lower-left corner. In the window that opens, you will see the full application version number with the letter j added to it.

Patch I

Patch I for Kaspersky Anti-Virus version 19.0.0.1088 was released on October 22, 2019.

With patch I: 

• We've added support for update 19H2 for Windows 10 (version 1909).
• We've fixed found errors and further optimized the program.

Patch H

Patch H for Kaspersky Kaspersky Anti-Virus version 19.0.0.1088 was released on September 9, 2019.

Patch H fixes the vulnerability which could be used for acquiring unauthorized permissions in Windows.

Patch G

Patch G for Kaspersky Anti-Virus version 19.0.0.1088 was released on July 29, 2019. 

Patch G fixes the following issues:

• Kaspersky Anti-Virus sometimes stopped responding after it was sent to restart or failed to load upon computer restart.
• When working in the background mode, Kaspersky Anti-Virus could affect the processor performance.  
• The System Watcher component blocked the portable version of Puttytray in some cases. 
• The TDSSKiller tool sometimes failed to start if Kaspersky Anti-Virus was running.
• Kaspersky Anti-Virus sometimes failed to connect to My Kaspersky on ASUS devices.

We have also fixed a number of minor issues, some of which were discovered by our users.

Patch F

Patch F for Kaspersky Anti-Virus version 19.0.0.1088 was released on May 27, 2019.

In Patch F:

• For Windows 10 users: we've improved the compatibility of Kaspersky Anti-Virus with the 19H1 (RS6) update so that you won't have any issues with our antivirus when the operating system updates.
• We've changed the link to the forum in the Support window to a link to the new Kaspersky Lab Community. You can use it to search for answers to your questions or to ask a question directly. 
• To enhance protection, we've improved checking of MSI files.
• We've fixed the issue that allowed third-party applications use Self-Defense of Kaspersky Anti-Virus. 
• The issue which caused Kaspersky Anti-Virus to block the https://www.mql5.com and https://gestobrig.com websites has been fixed.  
• We've fixed the issue that caused the URL Advisor icon to duplicate.
• We've fixed some other minor issues. 

Patch E

Patch E for Kaspersky Anti-Virus version 19.0.0.1088 was released on April 8, 2019. 

Patch E contains the following additions and improvements:

• For Windows 10 users:
  • We have added full support of the 19H1 update. This means that you will have no issues with our anti-virus after your system updates.
  • We have increased your security by adding support of the Per-Directory Case Sensitivity feature provided in the RS5 update, which allows you to make certain file names and paths case-sensitive. 
• You no longer encounter payment or installation issues should you wish to switch from Kaspersky Anti-Virus to Kaspersky Security Cloud.
• We have fixed an issue that caused the order page that opened when purchasing a license from within the application to load slowly
• We have improved the scanning of secure connections. This means that HTTPS pages will now open faster.
• We have improved your security when using HSTS websites.
• You will now see the URL address of the resource that Kaspersky Anti-Virus has detected an issue with when checking the certificate. This will allow you to prevent a dangerous resource from being added to the exclusions list.
• We have added support for protection against the Spectre 2 vulnerability. This means that you will have no issues with our anti-virus when you activate Spectre 2 vulnerability protection in Windows.
• We have added a notification about the successful upgrading of Kaspersky Anti-Virus to the new version.
• We have fixed an issue in which, when renewing a subscription or license, Kaspersky Anti-Virus occasionally did not update the term.
• We have fixed an issue that caused YouTube videos to load more slowly as a result of additional traffic scanning by Kaspersky Anti-Virus.
• We have found and closed a vulnerability that allowed the Anti-Banner and Privacy Protection components to be disabled without your knowledge.
• We have found and closed an XSS (cross-site scripting) vulnerability when using Internet Explorer and Edge.
• We have fixed an issue that sometimes caused Kaspersky Anti-Virus to block connections to the Google Cloud Firestore cloud database.
• For users of the Ausweis2 app: you will now be able to use the app on the same device as our anti-virus without any issues.
• For Chromecast users: you will no longer get a notification about a certificate issue when streaming through the Chrome browser.
• li>We have also fixed various other issues that we detected, and that you alerted us to. 

Patch D

Patch D for Kaspersky Anti-Virus version 19.0.0.1088 was released on December 3, 2018.

In Patch D:

• The Kaspersky Protection extension has been made compatible with future versions of Google Chrome.
• The procedure for installing certificates in the Mozilla Firefox storage has been improved.
• Support for long file and folder paths (over 260 characters) has been added for the Anti-Spam component.
• A capability has been added in the Application Control component for categorizing scripts in the OneDrive cloud service.
• In the Licensing window, the license information fields have been renamed:
  • The Key field is now called License key.
  • The Key status field is now called License status. 
• Some capabilities have been removed in order to improve security. It is no longer possible to:
  • Kill processes using the Application Control component.
  • Disable the PPL technology process avp.exe.
• Some errors have been fixed. 

Patch C

Patch С for Kaspersky Anti-Virus version 19.0.0.1088 was released on September 27, 2018.

In Patch C:

• Support of Windows 10 RS5 has been added.
• Statistics relating to the Protect a Friend programme are no longer gathered.
• The link to the Online Help in the analysis schedule window has been fixed: it now leads to the article "How to configure a scheduled analysis".
• An issue with controlling the webcam audio stream after upgrading from version 17 has been fixed.
• An issue sending or receiving emails in Windows Live Mail has been fixed.
• An issue has been fixed that caused threats detected in an archive not to be blocked after restarting the operating system.
• An issue has been fixed that caused files and the registry to be unprotected during a background upgrade from versions 17 and 18 to patch B of version 19.
• An issue has been fixed that prevented the application from upgrading from version 18 to version 19 on 32-bit Windows XP SP3.
• An issue has been fixed that made it impossible to change the interface language using the Shift+F12 and Shift+F5 keyboard shortcuts.
• An issue has been fixed that prevented the application from starting automatically after rebooting Windows when Patch B was installed.
• An issue has been fixed that caused webcam control not to work on Windows 10 RS4 17134.
• An issue has been fixed that caused the application not to notify the user about a problem starting or operating after the Blue Screen of Death (BSOD) error.

Patch B

Patch B for Kaspersky Anti-Virus version 19.0.0.1088 was released on July 17, 2018.

In Patch B:

• VPN connection statistics are now collected. The statistics will only be sent to Kaspersky Lab if the user has confirmed their acceptance of the End User License Agreement and the Kaspersky Security Network Statement.
• Support of Cloud Files in Windows 10 RS3 and RS4 has been added.
• A notification has been added about an issue installing a Kaspersky Lab certificate in Mozilla Firefox if a master password has been set.
• The End User License Agreement has been changed.
• The Upgrade window has been updated: options available for the current license are now displayed.
• An error has been fixed that caused the Internet connection to slow down after upgrading the application to the new version.
• An error that occurred when checking certificates for mail clients has been fixed.
• An error has been fixed that prevented files larger than 15 MB from loading.
• An error has been fixed that occurred when removing Kaspersky Anti-Virus if it had been installed on top of Kaspersky Security Cloud.
• An error that allowed the application's self-defense mechanism to be bypassed during installation has been fixed.
• An error that occurred when trying to access the router interface has been fixed.
• An issue with displaying network properties in Firewall has been fixed. It occurred if the network properties had been modified and the application restarted.
• An issue with starting rootkit searches has been fixed. It occurred when the system date had been changed or the tasks were started at scheduled times.

Patch A

Patch A for Kaspersky Anti-Virus version 19.0.0.1088 was released on May 22, 2018.

In Patch А:

• It is now possible to install Kaspersky Anti-Virus 19 on top of Kaspersky Anti-Virus versions 13 and 14.
• Full support of Windows 10 RS4 RC 17134 has been added.
• An issue has been fixed that sometimes caused the Mozilla Firefox plugin to be blocked.
• Basic compatibility with Cloud Files in Windows 10 RS3 and RS4 has been added.
• The text has been changed in the forms for connecting to the My Kaspersky portal, as well as in the windows containing information about it.
• The text in pop-up warning messages is now in lower case.
• Information is now gathered about the operating system on which the application is being installed.
• An error that occurred when installing the plugin in Mozilla Firefox ESR has been fixed.
• An error that sometimes prevented https pages from opening in the Tor browser has been fixed.

The new version of Kaspersky Anti-Virus was released on May 22, 2018. The full version number is 19.0.0.1088.

What's new

• Network Attack Blocker
• The display of notifications has been improved. Notifications that are not critical for application performance are not displayed while you are using office applications, running an application in full-screen mode, watching a video or performing a video call.
• The Tools window has been improved: the application features are now grouped by categories for quick search.
• The Recommended settings window has been added: the checkboxes Delete malicious tools, adware, auto-dialers and suspicious packagers and Detect other software that can be used by criminals to damage your computer or personal data have been added.
• It is now possible to scan scripts using Antimalware Scan Interface (AMSI). AMSI is a standard Microsoft interface that allows scanning scripts and other objects. The component can only detect a threat and notify about it, but it does not handle threats. The component is available in Microsoft Windows 10 or later.
• Scanning of encrypted connections has been improved. You can now choose actions for sites that returned scan errors and add such sites to exclusions.
• It is now possible to disable decryption of Extended Validation (EV) certificates.

Known limitations

• If the Always scan encrypted connections check box is selected, the application will scan encrypted connections even if you have paused protection.
• If the application was installed in Windows 7 and you upgraded the operating system to Windows 10 but now want to revert back to Windows 7, you are advised to uninstall the application and install it again after reverting back to Windows 7.
• On certain websites, the application may block the download of additional pages in pop-up windows or frames. To resolve this issue, clear the Inject script into web traffic to interact with web pages check box in the network settings of the application.
• If interactive protection is disabled, tasks for processing threats on your computer from the My Kaspersky portal might not be performed.
• Certain types of objects from the category Legitimate software that can be used by criminals to damage your computer or personal data are not processed from the My Kaspersky portal. These threats must be processed on the computer.
• If you disable the Base Filtering Engine in Windows settings (Control Panel → System and Security → Administrative Tools → Services → Base Filtering Engine), the following network protection components stop running: Web Anti-Virus, IM Anti-Virus, Anti-Banner, and Safe Money. The application does not show notifications when the components stop running.
• On detecting some remote administration tools, password managers, or user activity monitoring tools, the application may show two notifications prompting the user to select an action for one and the same object.
• On-Screen Keyboard works incorrectly on Touch Screen devices running Windows 10. When the pointer is moved to On-Screen Keyboard, it stops on the border of On-Screen Keyboard.