Blender 3.0, HDRI background not visible in render view

Check and make sure

Render Properties - Film - Transparent is not checked

Understandnig reason for Windows upgrade failing (like BSOD)

If windows upgrade fails, like with a blue screen of death, it flashes the error a minute or so, and then rolls back the upgrade. 

The error shown may not have much details and in most cases will not help figure out what went wrong.

In such cases SetupDiag can be of help

In latest version of windows upgrade install, SetupDiag runs automatically after upgrade failures. The results can be found in below location

%windir%\logs\SetupDiag\SetupDiagResults.xml

This log is in a much more understandable format compared to pouring over all the setup log files

More about SetupDiag and how to manually run this tool, please see here

 

Note:

Most of the time, upgrade failures are due to driver compatibility issues. In such a case, you should be able to see the driver details and dll linked to it in the above log file. Once you know which driver is causing issue, you may want to open windows "Device Manager" and completely un-install the device before attempting upgrade again

IIS, Setting StatusCode (in code) will not send Response.Write message back to client

IIS 7 to IIS 8.5, if you set StatusCode (in code) other than 200, and send a response via Response.Write, the message will not be sent to the client. 

To override, and send the message set in Response.Write

 add a line like below

 Response.TrySkipIisCustomErrors = true;

this is not an issue with IIS 10+