It should only perform a scan when the computer is idle and outside of active hours. However, if you turn off your computer, then it might perform the scan while you are using it.
This brings us to the next possible solution. The best way to figure out what to exclude is to perform a full scan and watch as it goes through all the items on your computer. When you see that it is taking a long time in a particular directory or when scanning a specific process, you can then add that to the exclusions list. Once you add the offending items to the list, the amount of time it takes to complete the scan should be cut down significantly.
Another option before permanently disabling Windows Defender is to install a third-party anti-virus program. There are a couple of ways you can disable Windows Defender on your PC. The other way is to edit a registry setting. Open regedit on your PC Click on Start and type in regedit and navigate to the following directory:. Go ahead and restart your computer and Windows Defender should be disabled now. You can delete this key or change the value to 0 later on to re-enable Windows Defender.
Start your computer in Safe Mode 4. We have an excellent guide on how to deal with high CPU usage in Safe Mode so you can also check it out. As this issue can also be produced by adware, you should also consider using specialized software to remove it. The tool recommended below is a champion when it comes to removing malware but it also does a great job in eliminating any adware as well.
Just hit the link below to download and install it. In just a few seconds it will scan your system, identify and get rid of any such nuissances from your PC. Windows Defender can sometimes cause problems with MsMpEng. To fix this problem, you need to reschedule Windows Defender by following the steps above. This is a bit advanced workaround, but you should be able to complete it by following our steps closely.
However, you can also install it anytime. To do that, follow the steps above. Before you disable Windows Defender, be sure to install a third-party antivirus software in order to protect your PC. According to users, problems with msmpeng. This feature sends problematic files to Microsoft for analysis. Although this is a useful process, it can cause problems to appear. To fix this issue, we need to disable this feature by doing the previous steps.
After doing that, check if the issue is resolved. This problem is very similar to another Windows Defender problem so check out our expert guide on how to stop Antimalware Service Executable in Windows There are many problems that can occur with MsMpEng. As this is an antivirus-related issue, you should also take a look at our selection of the best antiviruses with unlimited license validity for your PC and choose the right product for you.
Commenting as. Not you? GlassWire white lists this executable so your PC can continue to get important security protection and updates directly from Microsoft. You should not block this executable from accessing the network if you care about having a secure computer. Our goal at GlassWire is to help people protect their privacy and security. We have helped over 20 million people protect their devices from threats. Are you curious about the safety of another Windows file?
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