You may encounter Windows Defender error 577 when running Windows Defender.
What may cause this Windows Defender error and how to solve it?
This post shows you the answer.
Besides Windows Defender, you’re able to also useMiniTool Softwareto keep PC safe.
What Causes Windows Defender Error 577?
What may cause the Windows Defender error 577?
It can also be due to the corrupted registry key belonging to Windows Defender.
Or theWindows Defender may be blocked by the group policy.
If you have the same problem, try these solutions.
How to Fix Windows Defender Error 577?
This part will list several ways to solve the error 577 Windows Defender Windows 10
Solution 1.
So if you have installed one, try uninstalling it firstly.
Step 2: The chooseUninstall a ProgramunderProgramsto continue.
Step 3: opt for third-party antivirus software and right-click it, and then chooseUninstallto continue.
How to uninstall programs not listed in Control Panel Windows 10?
This post shows how to uninstall programs that wont uninstall with 5 ways.
Solution 2.
Change Registry
The second solution to solve Windows Defender error 577 is to change the Registry.
Hence, to edit the registry, follow the following steps.
Step 1: PressWindowskey andRkey together to launchRundialog, then typeregeditin the box and clickOKto continue.
Step 4: Then double-click onDisable AntiViruskey and change its value data to 1.
If this method doesnt take effect, you could try the following solutions.
Solution 3.
Now, try the following steps to continue.
Step 1: PressWindowskey andRkey together to open theRundialog, then bang out theservices.mscin the box and clickOKto continue.
Step 2: In the pop-up window, scroll down to findSecurity Centerservice, right-click it to chooseRestartto continue.
Solution 4.
Thus, you just need to restore your system to an earlier state.
Thus, juts read the postWhat Is System Restore Point and How to Create It?
Solutions Are Here!to know more information about performing system restore.
In addition, try MiniTool software to provide further protection for your gear.
