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For sale: One TARDIS, working (lights), you must pick up from Vancouver
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The gradual erosion of the SEM_NOOPENFILEERRORBOX error mode
![](https://devblogs.microsoft.com/oldnewthing/wp-content/uploads/sites/38/2019/02/ShowCover.jpg)
A brief discussion on how best to respond to the end-session messages
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Explorer is a single-instance application, but you can find other ways to get the effect of running a separate instance
![](https://devblogs.microsoft.com/oldnewthing/wp-content/uploads/sites/38/2019/02/ShowCover.jpg)
When you submit a security vulnerability report, we go the extra mile and try to fix your typos
![](https://devblogs.microsoft.com/oldnewthing/wp-content/uploads/sites/38/2019/02/ShowCover.jpg)
Responses to various ideas on how to get people to stop using that leaked build
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You can peek to see whether your delay-loaded function loaded successfully
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