inject.dll crashes explorer with latest win 10 insider build and 7tt beta 5.8.0.2

running latest windows insider & taskbar tweaker beta, works ok for a while until something triggers it, then explorer crashes and restarts repeatedly until I kill explorers or "7+ Taskbar Tweaker.exe". Generates a whole lot of stuff in the Application log so I don't know where to start - here's an example

- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">

- <System>

<Provider Name="Windows Error Reporting" />

<EventID

Qualifiers="0">1001</EventID>

<Level>4</Level>

<Task>0</Task>

<Keywords>0x80000000000000</Keywords>

<TimeCreated SystemTime="2019-10-25T06:06:08.667638400Z" />

<EventRecordID>1663</EventRecordID>

<Channel>Application</Channel>

<Computer>Ryzen9</Computer>

<Security />

</System>

- <EventData>

<Data>1906846850083503954</Data>

<Data>4</Data>

<Data>APPCRASH</Data>

<Data>Not available</Data>

<Data>0</Data>

<Data>explorer.exe</Data>

<Data>10.0.19008.1</Data>

<Data>340fd273</Data>

<Data>inject.dll</Data>

<Data>5.8.0.2</Data>

<Data>5db141bd</Data>

<Data>c0000005</Data>

<Data>000000000000eb30</Data>

<Data />

<Data />

<Data>\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WERC684.tmp.WERInternalMetadata.xml</Data>

<Data>\\?\C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_explorer.exe_681cb64c94917312b7d5ee2fee835528927c03e_a3caa76f_f0035701-b0e3-480d-8430-07617ff576e6</Data>

<Data />

<Data>0</Data>

<Data>ee4f6b93-8b4c-4324-95c4-18bdacbe965d</Data>

<Data>268439552</Data>

<Data>d4256b46849f4588fa767b1b744cbf52</Data>

<Data>0</Data>

</EventData>

</Event>