Critical-security-alert.info pop-ups will occur when your computer is infected by a Potentially Unwanted Program. The pop-ups are often triggered by underlined keywords in the website you are visiting. The Critical-security-alert.info pop-up might might offer a social engineering scam as a Flash Player update, a Browser Update or redirect you to a telephone deceptive support-scam to fix your computer.
As they pop-ups are so random it’s hard to say which pop-up might occur on your computer, as stated above these pop-ups are based on keywords found on the content of the website you are visiting.
Follow the complete removal-instruction we offer to remove pop-ups and unwanted advertisements from your computer. The instructions are clear and completely free.
Critical-security-alert.info pop-up – Removal Instruction
Suspicious activity of intrusions detected which is trying to redirect you to an attack site.
This may happen due to obsolete virus protections.
To fix, please call system support at 1-855-666-5543 immediately. Please ensure you do not restart your computer to prevent data loss.
Removal Instruction – Quick Menu
If you experience the Critical-security-alert.info pop-up on Mac OSX from Apple, follow this generic guide to remove adware from Apple Mac OSX
(for the Safari, Google Chrome and Mozilla Firefox browsers)
Remove Critical-security-alert.info pop-up with AdwCleaner
AdwCleaner will scan your computer for malicious Services, Folder, Files, Shortcuts, Registry items and Products. As AdwCleaner tries to delete these malicious content it will also clean the Internet Explorer, Google Chrome and Mozilla Firefox browser. We strongly recommend using AdwCleaner several times a month to keep your computer clean from adware, popups, browser hijackers or toolbars.
Notice: if you have problems downloading AdwCleaner, because of popups that keep opening when clicking a link.
Goto this url: https://toolslib.net/downloads/viewdownload/1-adwcleaner/
Select AdwCleaner.exe with right mouse click and Run as Administrator
If User Account Control asks you to allow AdwCleaner.exe to make changes to your computer, press Yes to continue.
Start scanning your computer for any malicious threats by selecting the Scan button, please wait.
AdwCleaner will now start scanning your computer. If AdwCleaner is done, it will display a list of malicious items detected, please uncheck the items you do not want to remove that might be detected as malicious.
If you have nothing to uncheck, continue to the removal process and select the Clean button.
AdwCleaner will display the following informational alerts and starts rebooting the computer.
All programs will be closed in order to proceed correctly to the removal of the infections. Please save any work in progress and the click [OK]
If you have been brought to use AdwCleaner, it’s probably because your PC contained potentially unwanted programs or adware.
Potentially unwanted programs are often proposed during the installation of software. They may be present form of toolbars that sometimes change the homepage of the browser and slow internet browsing.
To avoid the installation of these programs polluting the computer, it is essential to follow these tips:
– Always download a program from the official link, or a trusted site
– If third-party programs are available (toolbars, etc) uncheck them.
– Enable detection of PUP (Potentially Unwanted Program) in your Antivirus.
AdwCleaner must restart the computer to complete the removal process. The report will be opened on the next reboot.
After the reboot a logfile will open. The logfile in Windows XP and Windows 7 will open once the desktop is started. To open the logfile in Windows 8 you need to switch to the Desktop modus by selecting windows key + d on your keyboard.
If you want to check the AdwCleaner log, you can find the report log in your system drive, Adwcleaner folder (for example: C:adwcleaner)
Remove malicious files with MalwareBytes Anti-Malware
Malwarebytes Anti-Malware Free’s industry-leading scanner detects and removes malware like worms, Trojans, rootkits, rogues, spyware, and more. All you have to do is launch Malwarebytes Anti-Malware Free and run a scan. It’s that simple. Or if you want even better protection, consider Malwarebytes Anti-Malware Premium and its instant real-time scanner that automatically prevents malware and websites from infecting your PC. Either way you’re crushing malware and foiling hackers
*According to OPSWAT, Malwarebytes Anti-Malware is the most popular security product installed by users.
Install MalwareBytes Anti-Malware using the installation wizard.
MalwareBytes Anti-Malware needs no configs or specific settings, just install and you are ready to scan your computer for malware and free removal.
- Perform a Threat Scan
Reset Internet Explorer, Google Chrome or Mozilla Firefox to factory settings
Reset Internet Explorer to default settings
- Open Internet Explorer
- goto “wrench” icon in top right corner
- Select Internet Options
- Goto tab Advanced
- Select Reset button
- Enable Delete personal Settings
- Click Reset button
- Restart Internet Explorer
Reset Google Chrome to default settings
- Open Google Chrome
- Goto the three stripes in the right top corner (menu)
- Select Settings
- Scroll down to the end of the page, search for + Show advanced settings
- Scroll down once again to the end of the page and click Reset browser settings button
- Click Reset once more
Reset Mozilla Firefox to default settings
- Open Mozilla Firefox
- Goto the three stripes in the top right corner
- Select the Question Mark
- Select Troubleshooting Information in the menu.
- Click the Reset Firefox button and confirm Reset Firefox again the pop-up.