how to delete an extension run by an organnization!!??!

For the Edge browser, try this method to see if you can then remove that extension.

Close Edge

Click your Start Button, type regedit and hit Enter to open the Registry Editor.

Click View and make sure 'Address Bar' is turned on.

Paste this into the Address Bar at the top and hit Enter.

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft

In the left pane, if there is a sub folder of Microsoft named Edge, delete it

Paste this into the Address Bar at the top and hit Enter.

HKEY_CURRENT_USER\SOFTWARE\Policies\Microsoft

In the left pane, if there is a sub folder of Microsoft named Edge, delete it

Open Edge and see if your can remove that Extension

Please provide Farbar Recovery Scan Tool (FRST) logs for analysis, so that the extension can be removed and any underlying problems can be remediated.

https://www.bleepingcomputer.com/download/farbar-recovery-scan-tool/

Note: If you are using Edge or Chrome, SmartScreen may initially block the download. Click on the three dots next to the warning and select Keep => Show more => Keep anyway.

• If your computer's language is not English, rename FRST64.exe to FRST64English.exe
• Run the tool, leave the default settings, and press Scan.
• Zip the logs, FRST.txt and Addition.txt, then upload to a cloud storage service like OneDrive, Google Drive or gofile.io
• Post the share link.

Share OneDrive files and folders - Microsoft Support