Avast antivirus error messages

If you still see the error message, refer to Further recommendations for additional troubleshooting steps. If the issue persists after following instructions in this article, we recommend you reinstall Avast Cleanup Premium. Follow the steps below:. If the issue persists after following the instructions in this article, we recommend you reinstall Avast Antivirus.

USA English. Under Content , click JavaScript. Click the Add button next to Allowed to use JavaScript. Click the shield icon to the left of the address bar.

Cookies are now enabled for all webpages that are part of the avast. If you have manually disabled JavaScript, follow the steps below to re-enable it: Ensure that the Safari window is open and active. Select the Security panel, and ensure the box next to Enable JavaScript is ticked. To enable JavaScript for all websites that you visit using Opera, refer to the instructions under Manage JavaScript in pages in the following article from Opera help:.

If you prefer to enable JavaScript only for the avast. To enable cookies for all websites that you visit using Opera, refer to the instructions under Manage cookies in pages in the following article from Opera help:. If you see the Package Broken or Not a Valid Win32 Application error when trying to run the installation file of an Avast product on your Windows PC, the setup file may be corrupted or incomplete. To fix this issue, follow the steps in this article.

If you see the message This digital signature is not valid in one or both digital signatures, your setup file is incomplete or corrupted. Try the following solutions:. If you see the message This digital signature is OK in all digital signatures, your setup file is whole and uncorrupted. In this case, there is another reason why the setup file failed to download.

If you don't see the Digital Signatures tab in the Properties menu, your setup file is incomplete or corrupted. USA English. Under Content , click JavaScript. Cookies are now enabled for all webpages that are part of the avast. If you have manually disabled JavaScript, follow the steps below to re-enable it: Ensure that the Safari window is open and active. Select the Security panel, and ensure the box next to Enable JavaScript is ticked. JavaScript is now enabled for all websites that you visit using Safari.

Enable cookies It is not possible to enable cookies for specific websites in Safari. Before you begin, make sure you are logged in to Windows as a user with administrator permissions. Avast One Was this article helpful? Yes No.

To enable JavaScript for all websites that you visit using Opera, refer to the instructions under Manage JavaScript in pages in the following article from Opera help:.

If you prefer to enable JavaScript only for the avast. To enable cookies for all websites that you visit using Opera, refer to the instructions under Manage cookies in pages in the following article from Opera help:. This article contains troubleshooting steps for common issues related to Avast Premium Security. For general information about Avast Premium Security, refer to the relevant article below according to platform:.

This error commonly occurs when there is a problem with your device's DNS settings. To troubleshoot this issue, follow the steps below:.

This error commonly occurs when there are conflicts with Windows services configuration. For detailed troubleshooting steps, refer to the following article:. This error commonly occurs when certain program files are outdated, corrupted, or missing. If Avast Premium Security blocks a website that you use regularly, you can add it to the Exceptions list, which protects the defined website from being blocked by all Avast scans and shields. For detailed instructions, refer to the following article:.

USA English.