About this infection
Microsoft Critical Alert is a scam pop-up, generated by an adware program. It’s one those tech-support scams that claim you need call the provided number because your computer has been infected with malware. It’s scam and a fake message, and if you were to call the number, you would be asked to buy some kind of bogus anti-malware software, or the scammers would try to get remote access to your system.
This is typical and should not cause you worry. The adware is easily removed, and the ads stop after that. So if you just delete Microsoft Critical Alert Virus adware, you can go back to usual browsing. If you want to avoid these kinds of infections, make sure you read the following paragraph closely.
Adware spread methods
When you install free programs, check for added items. Unwanted programs, like adware or hijackers, are added to freeware as extra offers because no one would install them otherwise. You need to deselect them during installation, and you will be able to prevent them from installing. Access Advanced or Custom settings and you will be able to deselect everything that has been added. Make sure you uncheck every single added offer. Otherwise, you will end up having to remove Microsoft Critical Alert Virus or similar over and over again.
Are the pop-ups real?
When you install the adware, you will start getting these weird pop-ups that claim your computer has been blocked. The pop-ups might appear on all major browsers you have, including Internet Explorer, Google Chrome and Mozilla Firefox. And the only way to permanently stop them is to uninstall Microsoft Critical Alert Virus. The pop-up will claim that Windows has detected some suspicious activity from your IP address and some malware is causing a security breach. You are given a phone number, which would lead you to scammers pretending to be Microsoft technicians. They would try to sell you some useless program for an unreasonable amount of money or get remote access to your computer. They are professional scammers so they might sound very convincing but they’re only trying to fool you. Microsoft will never give these kinds of warnings, and will never ask you to call them. Also, note that the malware alert appears on your browser. Your browser is not capable of knowing the things it warns you about. Only professional anti-malware software can tell you those things. Just delete Microsoft Critical Alert Virus adware, and you can get rid of the scam warnings.
Microsoft Critical Alert Virus removal
If you have anti-spyware software, allow it to remove Microsoft Critical Alert Virus for you. Manual Microsoft Critical Alert Virus removal is fully possible but you may struggle with locating the adware, so it could be difficult. Whichever way you choose, make sure you uninstall Microsoft Critical Alert Virus adware fully because only then the pop-ups will stop.
Automated Removal Tools
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Step 1. Uninstall Microsoft Critical Alert Virus and related programs.
Remove Microsoft Critical Alert Virus from Windows 8
Right-click in the lower left corner of the screen. Once Quick Access Menu shows up, select Control Panel choose Programs and Features and select to Uninstall a software.
Uninstall Microsoft Critical Alert Virus from Windows 7
Click Start → Control Panel → Programs and Features → Uninstall a program.
Delete Microsoft Critical Alert Virus from Windows XP
Click Start → Settings → Control Panel. Locate and click → Add or Remove Programs.
Remove Microsoft Critical Alert Virus from Mac OS X
Click Go button at the top left of the screen and select Applications. Select applications folder and look for Microsoft Critical Alert Virus or any other suspicious software. Now right click on every of such entries and select Move to Trash, then right click the Trash icon and select Empty Trash.
Step 2. Delete Microsoft Critical Alert Virus from your browsers
Terminate the unwanted extensions from Internet Explorer
- Tap the Gear icon and go to Manage Add-ons.
- Pick Toolbars and Extensions and eliminate all suspicious entries (other than Microsoft, Yahoo, Google, Oracle or Adobe)
- Leave the window.
Change Internet Explorer homepage if it was changed by virus:
- Tap the gear icon (menu) on the top right corner of your browser and click Internet Options.
- In General Tab remove malicious URL and enter preferable domain name. Press Apply to save changes.
Reset your browser
- Click the Gear icon and move to Internet Options.
- Open the Advanced tab and press Reset.
- Choose Delete personal settings and pick Reset one more time.
- Tap Close and leave your browser.
- If you were unable to reset your browsers, employ a reputable anti-malware and scan your entire computer with it.
Erase Microsoft Critical Alert Virus from Google Chrome
- Access menu (top right corner of the window) and pick Settings.
- Choose Extensions.
- Eliminate the suspicious extensions from the list by clicking the Trash bin next to them.
- If you are unsure which extensions to remove, you can disable them temporarily.
Reset Google Chrome homepage and default search engine if it was hijacker by virus
- Press on menu icon and click Settings.
- Look for the “Open a specific page” or “Set Pages” under “On start up” option and click on Set pages.
- In another window remove malicious search sites and enter the one that you want to use as your homepage.
- Under the Search section choose Manage Search engines. When in Search Engines..., remove malicious search websites. You should leave only Google or your preferred search name.
Reset your browser
- If the browser still does not work the way you prefer, you can reset its settings.
- Open menu and navigate to Settings.
- Press Reset button at the end of the page.
- Tap Reset button one more time in the confirmation box.
- If you cannot reset the settings, purchase a legitimate anti-malware and scan your PC.
Remove Microsoft Critical Alert Virus from Mozilla Firefox
- In the top right corner of the screen, press menu and choose Add-ons (or tap Ctrl+Shift+A simultaneously).
- Move to Extensions and Add-ons list and uninstall all suspicious and unknown entries.
Change Mozilla Firefox homepage if it was changed by virus:
- Tap on the menu (top right corner), choose Options.
- On General tab delete malicious URL and enter preferable website or click Restore to default.
- Press OK to save these changes.
Reset your browser
- Open the menu and tap Help button.
- Select Troubleshooting Information.
- Press Refresh Firefox.
- In the confirmation box, click Refresh Firefox once more.
- If you are unable to reset Mozilla Firefox, scan your entire computer with a trustworthy anti-malware.
Uninstall Microsoft Critical Alert Virus from Safari (Mac OS X)
- Access the menu.
- Pick Preferences.
- Go to the Extensions Tab.
- Tap the Uninstall button next to the undesirable Microsoft Critical Alert Virus and get rid of all the other unknown entries as well. If you are unsure whether the extension is reliable or not, simply uncheck the Enable box in order to disable it temporarily.
- Restart Safari.
Reset your browser
- Tap the menu icon and choose Reset Safari.
- Pick the options which you want to reset (often all of them are preselected) and press Reset.
- If you cannot reset the browser, scan your whole PC with an authentic malware removal software.
2-remove-virus.com is not sponsored, owned, affiliated, or linked to malware developers or distributors that are referenced in this article. The article does not promote or endorse any type of malware. We aim at providing useful information that will help computer users to detect and eliminate the unwanted malicious programs from their computers. This can be done manually by following the instructions presented in the article or automatically by implementing the suggested anti-malware tools.
The article is only meant to be used for educational purposes. If you follow the instructions given in the article, you agree to be contracted by the disclaimer. We do not guarantee that the artcile will present you with a solution that removes the malign threats completely. Malware changes constantly, which is why, in some cases, it may be difficult to clean the computer fully by using only the manual removal instructions.