Solved can't install any antivirus software - Help

June 19, 2016 at 15:26:51
Specs: Windows 7
I had webroot installed but it expired and they want $50 to renew it so I've downloaded AVAST, Microsoft Security Essentials and AVG. When file extraction starts, I get a warning that the file is corrupted, or not a win 32 application or download failed. I run System Mechanic regularly to clean out junk. How can I get an antivirus on this computer, windows 7 64 bit?

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✔ Best Answer
June 21, 2016 at 08:03:08
Thanks for your reply. I had no idea Sys Mechanic screwed up systems. I had cc cleaner but uninstalled it when I got Sys Mechanic. I downloaded WinThruster, ran it, and then was able to install Panda antivirus. It took hours to dowload the files but it finally did and now I'm up and running.


#1
June 19, 2016 at 15:52:46
If there is malware on there that could prevent any form of AV installing.
Run these three freebies in the order given and see what they find:

AdwCleaner:
https://toolslib.net/downloads/view...
(blue "Download Now" button on right).
Download and "Save" the file somewhere. Go to the saved file then double click it to run the program. Use the "Scan" button, followed by the "Clean" button.

Junkware Removal Tool (JRT)
https://www.malwarebytes.org/junkwa...
(blue Download button).
Download and "Save" the file somewhere. Go to the saved file then double click it to run JRT. It might appear to have stopped at times or flash the screen but sit tight until it has finished.

MalwareBytes:
https://www.malwarebytes.org/
(use the "download" button rather than the "buy" button).
Install and Run the program but before running the Scan go to "Settings > Detection and Protection" and put a checkmark in "Scan for rootkits". Quarantine anything it finds.

Please copy/paste the logs on here.

System Mechanic has been known to screw up systems. It is unnecessary.

Always pop back and let us know the outcome - thanks


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#2
June 19, 2016 at 16:00:42
Try Anit-Rootkit from Malwarebytes first. It does require to be installed.
https://downloads.malwarebytes.com/...

If that succeeds, and possibly found & removed some nasties, install
https://www.malwarebytes.com/mwb-do...

Uncheck TRIAL option. The free home version will do.
Lets see what shows up


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#3
June 19, 2016 at 19:28:44
Are you sure you uninstalled the Webroot AV completely? Many AV's do not completely uninstall with just the programs/uninstall.

Check Newegg, from time to time they have specials on Webroot and if so you could get it cheaper. If you have not uninstalled and you purchase a new license you can change the install key from within the program and get the new license period simply.

You have to be a little bit crazy to keep you from going insane.


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#4
June 20, 2016 at 13:57:39
Webroot was not a good choice, neither is Avast or MSE. System Mechanic is NOT recommended. The fact that your system is infected should give some indication of the quality of your choices.

http://www.webroot.com/prodCheck/?p...

Run the cleaners suggested in the responses above. And add CCleaner-Slim to the list. Make sure you manage the startup apps & then reboot before attempting to install any other anti-virus program. And only install ONE of them or they'll conflict with each other.

https://www.piriform.com/ccleaner/b...

http://www.tomsguide.com/us/best-an...

http://www.bitdefender.com/solution...

message edited by riider


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#5
June 21, 2016 at 08:03:08
✔ Best Answer
Thanks for your reply. I had no idea Sys Mechanic screwed up systems. I had cc cleaner but uninstalled it when I got Sys Mechanic. I downloaded WinThruster, ran it, and then was able to install Panda antivirus. It took hours to dowload the files but it finally did and now I'm up and running.

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#6
June 21, 2016 at 19:58:53
Really glad you got everything resolved.

riider: I looked at Tom's (though Tom's I usually trust) and other supposedly AV testing sites and most did not mention Webroot and at least one who did rate it fairly low admitted that they did not actually test an important feature of it. I personally feel that if the companies do not spend a lot of money advertising, they do not get the good reviews. I also noticed that Norton was ranked fairly high on some sites, which I strongly disagree with, but low on others and some sites rated McAfee high while most rated it low to very low (should be low). I noticed other AV programs were rated higher on some sites and much lower on others. The ones that rated high this year I have seen a lot of ads online in recent years. I have very little faith in these ratings. I have used Webroot for many years without problems and I feel that their latest version uses the very least on the system resources, very fast on the scans, the least on the annoying pop ups, practically the only time I realize it is there is if it blocks a website from loading with a warning that you can bypass but it recommends against it. It even shows a check or other mark on Google search pages when the site is a trusted site, not trusted, or known threat. Overall I feel that it has always been underrated due to money being spent by others.
My feelings, my experience.

You have to be a little bit crazy to keep you from going insane.

message edited by Fingers


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