Crashes and restarts every minute with kernelbase.dll error; 1000's of times!

I'm using the latest version of 1Password on a Windows 10 machine using Chrome. I have thousands of these events in Event Viewer, more than one each minute, even after rebooting:

Event 1000, Application Error
Faulting application name: 1Password.exe, version: 7.2.576.0, time stamp: 0x5b69b6af
Faulting module name: KERNELBASE.dll, version: 10.0.17134.441, time stamp: 0x3da51fd0
Exception code: 0xe0434352
Fault offset: 0x00111812
Faulting process id: 0x50e8
Faulting application start time: 0x01d4a884f54a3d1d
Faulting application path: C:\Users\curti\AppData\Local\1password\app\7\1Password.exe
Faulting module path: C:\WINDOWS\System32\KERNELBASE.dll
Report Id: a5282f23-4742-48bb-b54e-56a2ea579dbd
Faulting package full name:
Faulting package-relative application ID:

and this:
Event 1026, .NET Runtime
Application: 1Password.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.ObjectDisposedException
at System.IO.__Error.PipeNotOpen()
at System.IO.Pipes.PipeStream.CheckWriteOperations()
at System.IO.Pipes.PipeStream.BeginWrite(Byte[], Int32, Int32, System.AsyncCallback, System.Object)
at System.IO.Stream+<>c.b__53_0(System.IO.Stream, ReadWriteParameters, System.AsyncCallback, System.Object)
at System.Threading.Tasks.TaskFactory1[[System.Threading.Tasks.VoidTaskResult, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].FromAsyncTrim[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.IO.Stream+ReadWriteParameters, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]](System.__Canon, ReadWriteParameters, System.Func5<System.__Canon,ReadWriteParameters,System.AsyncCallback,System.Object,System.IAsyncResult>, System.Func3<System.__Canon,System.IAsyncResult,System.Threading.Tasks.VoidTaskResult>) at System.IO.Stream.BeginEndWriteAsync(Byte[], Int32, Int32) at System.IO.Stream.WriteAsync(Byte[], Int32, Int32, System.Threading.CancellationToken) at AgileBits.OnePassword.NativeMessagingHost+<WriteAsync>d__16.MoveNext() at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(System.Threading.Tasks.Task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(System.Threading.Tasks.Task) at System.Runtime.CompilerServices.TaskAwaiter1[[System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].GetResult()
at AgileBits.OnePassword.NativeMessagingHost+d__10.MoveNext()

Exception Info: System.AggregateException
at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean)
at System.Threading.Tasks.Task.Wait(Int32, System.Threading.CancellationToken)
at System.Threading.Tasks.Task.Wait()
at AgileBits.OnePassword.NativeMessagingHost.Run(System.String[])
at AgileBits.OnePassword.Program.Main(System.String[])

Any ideas?

1Password Version: 7.3.654
Extension Version: 4.7.3.90
OS Version: Windows 10 Pro 1803
Sync Type: Not Provided
Referrer: forum-search:kernelbase