Please answer each of the following [admittedly tedious] diagnostic questions in a correspondingly-numbered list in your very next reply - preferably without quoting my post:

1a. When (approx. date) did you purchase the computer?

1b. Did Win7 (64-bit) come preinstalled on the computer when you bought it, did you do a clean install of Win7, or did you upgrade from Vista to Win7?

2a. Was Microsoft Security Essentials (MSE) originally offered & installed via Windows Update or did you intentionally choose to install it?

2b. In Windows Explorer [WinKey+E], navigate to & right-click on



• C:\Program Files\Microsoft Security Client <=this folder



Select Properties: What is the Created date displayed on the resulting General tab?

2c. What ANTIMALWARE CLIENT version is currently installed? To find out, open MSE & click on the downward-pointing arrow to the right of HELP then select ABOUT SECURITY ESSENTIALS.

2d. What ENGINE version?

3. What anti-virus application was installed before you installed MSE, was your subscription still current, and did you uninstall it before you installed MSE?

4a. Has a(nother) Norton application or a McAfee application EVER been installed on the computer?

4b. Did a Norton free-trial or a McAfee free-trial [PICK ONE] come preinstalled on the computer when you bought it? (Doesn't matter if you never used or Activated it.)

5. Are ALL of the following other updates listed in View installed updates (not Update History)? [1]

(a) KB2862772 & KB2868623

(b) KB2850851; KB2839894 & KB2830290;

(c) KB2813347, KB2840149 & KB2807986;

(d) KB2790113; KB2676562 & KB2644615.

6a. Are you running Internet Explorer 8 (IE8), IE9 or IE10?

6b. Is Firefox, Chrome or any other alternate browser installed?

7a. Assuming Java is installed => Is Java Version 7 Update 25 (or higher) installed? TEST HERE USING INTERNET EXPLORER ONLY! => http://java.com/en/download/installed.jsp

7b. Is Adobe Flash Player v11.8.800.94 installed? TEST HERE USING INTERNET EXPLORER ONLY! => http://www.adobe.com/software/flash/about/

8. Are you in the habit of using "Registry cleaners" (e.g., Registry Mechanic; System Mechanic; RegCure; RegClean Pro; Advanced SystemCare; Registry Booster; McAfee QuickClean; AVG PC TuneUp; Norton Registry Cleaner; PCTools Optimiser; SpeedUpMyPC; PC Doctor; TuneUp Utilities; WinMaximizer; WinSweeper; Comodo System Cleaner; Advanced System Optimizer; CCleaner Registry Cleaner)?

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Related references may include:

Check list for installing Microsoft Security Essentials

http://experts.windows.com/w/experts_wiki/89.aspx





Can I install Microsoft Security Essentials [or any other anti-virus/anti-spyware application] to clean up my already-infected computer?

http://answers.microsoft.com/thread/87058857-d181-4019-a723-efd9a49d927z5

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[1] Start | Control Panel | Programs and Features | View installed updates (in left-hand menu)