When opening firefox, a box pops up: [error JAva.script:] "TypeError: netscape.security.PrivilegeManager is not defined.
Using windows 7 Home premium svc pack 1 64-bit. After that my last windows update the above issue appears when you first start of firefox. Can I close the error msg and it seems that everything works fine. It's boring, but my major concern is security. Any suggestions?
Thank you
If it works in Mode safe mode and normal mode with all extensions (Firefox/tools > Modules > Extensions) off and then try to find which extension is the cause by allowing an extension at a time until the problem reappears.
Close and restart Firefox after each change via "Firefox > Exit ' (Windows: Firefox/file > quit;) Mac: Firefox > quit Firefox. Linux: Firefox/file > exit)
Tags: Firefox
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Start Firefox in Firefox to solve the issues in Safe Mode to check if one of the extensions of the origin of the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > appearance/themes).
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- https://support.Mozilla.com/kb/safe+mode
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Start Firefox in Safe Mode to check if one of the extensions (Firefox/tools > Modules > Extensions) or if hardware acceleration is the cause of the problem (switch to the DEFAULT theme: Firefox/tools > Modules > appearance).
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It is possible that your security (firewall, antivirus) software blocks or limit Firefox or the process of plugin-container without you inform, possibly after the detection of changes (update) for the Firefox program.
Delete all rules for Firefox and the plugin-container in the permissions list in the firewall and allow your firewall to ask permission to get access full and unrestricted, again to install for Firefox and the plugin-container and the update process.
See:
Make a check of malware with several malware scanning of programs on the Windows computer.
Please scan with all programs, because each program detects a different malicious program.
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- Malwarebytes' Anti-Malware:
http://www.Malwarebytes.org/MBAM.php - AdwCleaner:
http://www.bleepingcomputer.com/download/adwcleaner/
http://www.Softpedia.com/get/antivirus/removal-tools/AdwCleaner.shtml - SuperAntispyware:
http://www.SUPERAntiSpyware.com/ - Microsoft security scanner:
http://www.Microsoft.com/security/scanner/en-us/default.aspx - Windows Defender:
http://Windows.Microsoft.com/en-us/Windows/using-Defender - Spybot Search & Destroy:
http://www.safer-networking.org/en/index.html - Kasperky free Security Scan:
http://www.Kaspersky.com/security-scan
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http://support.Kaspersky.com/5350?El=88446
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- https://support.Mozilla.org/KB/troubleshoot-Firefox-issues-caused-malware
Do a clean reinstall and delete the program folder before Firefox to (re) install a new copy of the current version of Firefox.
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https://www.Mozilla.org/en-us/Firefox/all/
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Delete the program folder Firefox before installing newly downloaded copy of the Firefox installer.
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- http://KB.mozillazine.org/Uninstalling_Firefox
Your bookmarks and other personal data are stored in the Firefox profile folder and will not be affected by a uninstall and (re) install, but do NOT delete personal data when you uninstall Firefox which removes all Firefox profile folders and you lose your data.
- Malwarebytes' Anti-Malware:
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When find you what is causing your problems, please let us know. This might help others with the same problem.
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