Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

i can't drag customized scrollbars with mouse

more options

Hi. in Firefox i can't drag customized scrollbars with mouse left button. for example in this website: https://hadafesabz.com/ and just i can scroll down/up with mouse wheel, or keyboard. why? how i can fix the problem? Meanwhile this problem there is not in a fresh ff profile.

Please help me. Thanks.

Hi. in Firefox i can't drag customized scrollbars with mouse left button. for example in this website: https://hadafesabz.com/ and just i can scroll down/up with mouse wheel, or keyboard. why? how i can fix the problem? Meanwhile this problem there is not in a fresh ff profile. Please help me. Thanks.

Modified by user1526367

Chosen solution

i fixed the problem. i reseted default options in "ScriptSafe" in its option, but problem not fixed, and then by disabling "Enable Right Click and Copy" extension problem fixed. Thank you my friends.

Read this answer in context 👍 0

All Replies (5)

more options

Hi, if using Customized Scrollbars then that is you problem. The userChrome no longer works in version 63 as there has been some code changes or maybe since is a beta that is not included in that release as it is a Beta. Or what ever you are using to customize them is not working.

If you are looking for help with that, sorry. Please return to the regular release channel for support.

more options

Works for me with the current Nightly build although I had to make the screen wider. With some settings I even see both scroll bars. It is hard to see the scroll thumb as there is not much color difference.

Such custom sidebars are controlled via JavaScript, so if this isn't working then make sure that you do not block JavaScript.

If you use extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) that can block (wanted) content (Adblock Plus, NoScript, Disconnect, Ghostery, Privacy Badger, uBlock Origin) always make sure such extensions do not block (wanted) content.

Firefox shows the shield icon at the left end of the location/address bar in case content is blocked by Tracking Protection.

  • click the shield icon for more detail and possibly disable the protection
  • check the Web Console for more detail about what content is blocked by Tracking Protection
  • "3-bar" menu button or Tools -> Web Developer

Modified by cor-el

more options

i disabled all ad&security extensions and disabled tracking, but not fixed. surely one of about:config items should become reset.

more options

Can you locate the scroll bar in the Inspector like posted in the screenshot?

more options

Chosen Solution

i fixed the problem. i reseted default options in "ScriptSafe" in its option, but problem not fixed, and then by disabling "Enable Right Click and Copy" extension problem fixed. Thank you my friends.

Modified by user1526367