If you want official support, please send an email to

support@capcom.com

You will in general not get any official reply when posting on Steam forums.

Suggestions, bug reports and such are best sent via email to

feedback@capcom.com

Pinned threads with official troubleshooting instructions you find here:

MONSTER HUNTER RISE Troubleshooting & Issue Reporting Thread

Network / Connection Troubleshooting FAQ

Before you start troubleshooting, make sure to verify your game's files and restart your PC.
https://gtm.you1.cn/sharedfiles/filedetails/?id=2834863313
You can find troubleshooting related guides in the Guides section.

Here are some examples which cover frequently asked questions ~
https://gtm.you1.cn/sharedfiles/filedetails/?id=2915995696
https://gtm.you1.cn/sharedfiles/filedetails/?id=2914770459

Within the forums there is a designated section to report problems where you can exchange information with fellow players and eventually get help with your issue.

When you are asked for additional information, you are mainly asked for the DxDiag and a screenshot of your game's folder, the pdlc folder and your task manager's performance tab.

Here is a manual on how to share your DxDiag.
https://gtm.you1.cn/sharedfiles/filedetails/?id=2831340548
A screenshot of your game's folder gives similar information like a crash report, please share them either via Steam or a third party service like imgur
https://gtm.you1.cn/sharedfiles/filedetails/?id=181142704
Finding your game's folder is easy ~
right click on the entry in the library -> Manage -> Browse Local files





(screenshot taken for the PC/Steam version 12.0.0.0 of Monster Hunter Rise: Sunbreak)

Make sure the files attributes time of changes and filesizes are clearly visible.

As seen in this example of a screenshot of the pdlc folder



And here is an example of the task manager's performance tab