Hello! I use Application Verifier and the Debugger to test my application for different issues and bugs. My application use QtWebEngine to load for example Google Maps, when the page has been loaded it crashes with errors:

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VERIFIER STOP 0000000000000303: pid 0x5230: NULL handle passed as parameter. A valid handle must be used.

0000000000000000 : Not used.

0000000000000000 : Not used.

0000000000000000 : Not used.

0000000000000000 : Not used.

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This verifier stop is continuable.

After debugging it use `go' to continue.

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 I have added the screenshots to illustrate these issues. Please fix it. Thanks.