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Open Start . Open Registry Editor. Go to the Windows Defender folder's location. Right-click the "Windows Defender" folder. Select New. Click DWORD (32-bit) Value. Enter "DisableAntiSpyware" as the file name. Open the "DisableAntiSpyware" DWORD file. Replace the "Value data" number with 1. Click OK. Restart your computer. Re-enable Windows Defender when needed.

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Click the Windows logo in the bottom-left corner of the screen. The Start menu will pop up. The Registry Editor program allows you to make changes to your computer's core features. To open it, do the following: Type in regedit. Click the blue regedit icon at the top of the Start menu. Click Yes when prompted. You'll do this by expanding each of the necessary folders in the left-hand section of Registry Editor as follows: Expand the "HKEY_LOCAL_MACHINE" folder by double-clicking it (skip this step if the folder is already expanded). Expand the "SOFTWARE" folder. Scroll down and expand the "Policies" folder. Expand the "Microsoft" folder. Click once the "Windows Defender" folder. You should see a drop-down menu appear. If your mouse doesn't have a right-click button, click the right side of the mouse, or use two fingers to click the mouse. If your computer uses a trackpad instead of a mouse, use two fingers to tap the trackpad or press the bottom-right side of the trackpad. It's near the top of the drop-down menu. Selecting it prompts a pop-out menu. This option is in the pop-out menu. Clicking it places a blue-and-white file in the "Windows Defender" window on the right side of the page. When the DWORD file appears, type in DisableAntiSpyware and then press Enter. Double-click it to do so. A pop-up window will open. This essentially turns on the DWORD value. It's at the bottom of the window. Click Start {"smallUrl":"https:\/\/www.wikihow.com\/images\/0\/07\/Windowsstart.png","bigUrl":"\/images\/thumb\/0\/07\/Windowsstart.png\/30px-Windowsstart.png","smallWidth":460,"smallHeight":460,"bigWidth":"30","bigHeight":"30","licensing":"<div class="mw-parser-output"><p>I edited this screenshot of a Windows icon.
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<\/p><\/div>"}, click Power {"smallUrl":"https:\/\/www.wikihow.com\/images\/5\/5d\/Windowspower.png","bigUrl":"\/images\/thumb\/5\/5d\/Windowspower.png\/30px-Windowspower.png","smallWidth":460,"smallHeight":460,"bigWidth":"30","bigHeight":"30","licensing":"<div class="mw-parser-output"><p>I edited this screenshot of a Windows icon.
<\/p><p>License: <a rel="nofollow" class="external text" href="http:\/\/en.wikipedia.org\/wiki\/Public_domain">Public Domain<\/a><br>
<\/p><\/div>"}, and click Restart in the pop-up menu. When your computer finishes restarting, Windows Defender will be disabled. If you decide that you want to re-enable Windows Defender in the future, do the following: Go back to the Windows Defender folder in Registry Editor. Click once the "Windows Defender" folder. Open the "DisableAntiSpyware" value by double-clicking it. Change the "Value data" from 1 to 0. Click OK, then restart your computer. Delete the "DisableAntiSpyware" value if you don't want it to be available later.