The longer you use a computer without performing some basic maintenance, the more sluggish it will become. If you’ve noticed a significant decrease in your computer’s speed lately, there are several things you can do. If you have an adware infection, there are programs designed to scan for and remove these threats.
How to Remove Adware and Cleaning Browsers from Windows
Open the Control Panel.
In Windows 10 and 8, Right-click on the Windows button and select Control Panel.
In Windows 7, Vista, and XP, Click the Start button and select Control Panel from the Start menu.
Select Uninstall a program or Programs and Features.
Find recently installed programs that you don’t recognize.