Generally Flash Player crashes Occur due to the hardware acceleration thing. However as you have already disabled it, let's try this:
Go to Internet Explorer > Gear Button > Options.
Go to Security tab > Custom level… button (make sure that Internet is selected under “Select a zone to view or change security settings”).
Scroll down and you will see the option Allow ActiveX Filtering. Select Disable.
Click Apply. Then Click OK. Restart Browser. Let us know what happens.