download microsoft security essentials 64 bit

Step 5: Reset the Microsoft antivirus update engine on your PCĬlick Start, click All Programs, click Accessories, and then right-click Command Prompt, and then select Run as administrator. Right-click Automatic Updates service, and then click Start. Start the Automatic Updates service as follows: Type ren SoftwareDistribution SDTemp, and then press Enter. Rename the SoftwareDistribution directory as follows:Ĭlick Start, click Run, type cmd, and then click OK. Right-click the Automatic Updates service, and then click Stop. Step 4: Rename the Software Distribution folder on your PCĬlick Start, click Run, type services.msc, and then click OK. To reset your PC's date or time setting, follow the steps in Fix broken desktop shortcuts and common system maintenance tasks. If the error message that you received contains the code 0x80072f8f, the problem is most likely caused by an incorrect date or time setting on your PC.

Step 3: Ensure that the date and time are set correctly on your PC If the issue persists, go on to the next step. Click the Update tab, and then click Update.

Under Default Web browser, click Make default. In the Internet Options dialog box, click the Programs tab. Step 2: Set Internet Explorer as the default browserĮxit all open programs, including Internet Explorer. Open Microsoft Security Essentials, click the Update tab, and then click Update. Wait until Internet Explorer finishes resetting the settings, and then click OK. Under the Reset Internet Explorer settings, click Reset, and then click Reset again. In the Internet Options dialog box, click the Advanced tab. But, your favorites won’t be deleted.Ĭlick Start, and in the Start Search box, type inetcpl.cpl, and then press Enter. Note: Resetting these settings in Internet Explorer deletes your temporary files, cookies, browsing history, and your online passwords.

Download microsoft security essentials 64 bit