NullReference Exception in IE on Windows 10

I get this exception whenever I open Internet Explorer.

Inner exception:

Application Domain: C:\Program Files (x86)\Devolutions\Password Vault Manager For IE\
Assembly Codebase: file:///C:/Program Files (x86)/Devolutions/Password Vault Manager For IE/PasswordVaultManagerForIE.DLL
Assembly Full Name: PasswordVaultManagerForIE, Version=3.0.3.0, Culture=neutral, PublicKeyToken=null
Assembly Version: 3.0.3.0

Exception Source: PasswordVaultManagerForIE
Exception Type: System.NullReferenceException
Exception Message: Object reference not set to an instance of an object.
Exception Target Site: IEModule_OnAuthenticate

---- Stack Trace ----
PasswordVaultManagerIE.IEModule.IEModule_OnAuthenticate(sender As Object, e As ADXIEAuthenticateEventArgs)
PasswordVaultManagerForIE.DLL: N 0007 (0x7) IL
AddinExpress.IE.ADXIEModule.AddinExpress.IE.IAuthenticateEx.AuthenticateEx(phwnd As IntPtr&, pszUsername As IntPtr&, pszPassword As IntPtr&, pauthinfo As IntPtr)
PasswordVaultManagerForIE.DLL: N 0049 (0x31) IL


Outer exception:

Application Domain: C:\Program Files (x86)\Devolutions\Password Vault Manager For IE\
Assembly Codebase: file:///C:/Program Files (x86)/Devolutions/Password Vault Manager For IE/AddinExpress.IE.DLL
Assembly Full Name: AddinExpress.IE, Version=9.2.6124.0, Culture=neutral, PublicKeyToken=4416dd98f0861965
Assembly Version: 9.2.6124.0

Exception Source:
Exception Type: AddinExpress.IE.ADXIEExternalException
Exception Message: An error has occurred in the code of the extension.
Exception Target Site: Object reference not set to an instance of an object.

---- Stack Trace ----