# Forum Issues **URL:** https://geant4-forum.web.cern.ch/c/forum-issues/6.md [Latest](https://geant4-forum.web.cern.ch/latest.md) · [Categories](https://geant4-forum.web.cern.ch/categories.md) --- ## [About the Forum Issues category](https://geant4-forum.web.cern.ch/t/about-the-forum-issues-category/14)
**Author:** [@dwright](https://geant4-forum.web.cern.ch/u/dwright)\ **Replies:** 0
This is an announcement and test area for the Geant4 forum. Forum-wide announcements will appear here from time to time. Please post here questions concerning general forum operation, including sign-up, requests for ne… --- ## [Regarding Geant4 issues](https://geant4-forum.web.cern.ch/t/regarding-geant4-issues/12678)
**Author:** [@Rudradeb30](https://geant4-forum.web.cern.ch/u/Rudradeb30)\ **Replies:** 1\ **Last updated:** [July 23, 2024, 1:57pm UTC](https://geant4-forum.web.cern.ch/t/regarding-geant4-issues/12678 "2024-07-23T13:57:05Z")
from /home/rudradeb/sim/action.cc:3, from /home/rudradeb/sim/Sim.cc:13: /home/rudradeb/sim/run.cc: At global scope: /home/rudradeb/sim/run.cc:25:6: error: no declaration matches ‘void MyRunAction::EndOfRunAction(const… --- ## [ROOT not working](https://geant4-forum.web.cern.ch/t/root-not-working/12620)
**Author:** [@Rudradeb30](https://geant4-forum.web.cern.ch/u/Rudradeb30)\ **Replies:** 1\ **Last updated:** [July 14, 2024, 5:22pm UTC](https://geant4-forum.web.cern.ch/t/root-not-working/12620 "2024-07-14T17:22:40Z")
Attaching file output.root as \_file0… Error in TFile::ReadBuffer: error reading all requested bytes from file output.root, got 290 of 300 Error in TFile::Init: output.root failed to read the file type data. (TFile \*) … --- ## [Rules for new users](https://geant4-forum.web.cern.ch/t/rules-for-new-users/10365)
**Author:** [@rodolphecombe](https://geant4-forum.web.cern.ch/u/rodolphecombe)\ **Replies:** 3\ **Last updated:** [April 3, 2023, 1:05pm UTC](https://geant4-forum.web.cern.ch/t/rules-for-new-users/10365 "2023-04-03T13:05:39Z")
Hi here, as a new user of the forum (but not of Geant4), I have noticed there are a few rules related to new users. However, I am only discovering them by bumping into them. Is there a place where they are listed ? M… --- ## [Broken links forum main page (categories)](https://geant4-forum.web.cern.ch/t/broken-links-forum-main-page-categories/10039)
**Author:** [@mato](https://geant4-forum.web.cern.ch/u/mato)\ **Replies:** 1\ **Last updated:** [February 22, 2023, 11:01am UTC](https://geant4-forum.web.cern.ch/t/broken-links-forum-main-page-categories/10039 "2023-02-22T11:01:57Z")
All the links in the description of the forum categories seem to be broken. They point to https://cern.ch/geant4/support/user\_documentation and https://hypernews.slac.stanford.edu/HyperNews/geant4 --- ## [Change user name](https://geant4-forum.web.cern.ch/t/change-user-name/8240)
**Author:** [@BenjaminW](https://geant4-forum.web.cern.ch/u/BenjaminW)\ **Replies:** 9\ **Last updated:** [June 30, 2022, 12:31pm UTC](https://geant4-forum.web.cern.ch/t/change-user-name/8240 "2022-06-30T12:31:56Z")
Hi, how do I change my user name…? Best, Ben --- ## [Notice of downtime on May 11th](https://geant4-forum.web.cern.ch/t/notice-of-downtime-on-may-11th/7595)
**Author:** [@bmorgan](https://geant4-forum.web.cern.ch/u/bmorgan)\ **Replies:** 0\ **Last updated:** [April 7, 2022, 8:55am UTC](https://geant4-forum.web.cern.ch/t/notice-of-downtime-on-may-11th/7595 "2022-04-07T08:55:37Z")
The forum will be offline for 10-15 minutes between 8:30-9:00am CEST on Monday, May 11th, for maintenance. We’ll keep you updated should there be any changes to this. --- ## [Issue with accesing the old hypernews message board](https://geant4-forum.web.cern.ch/t/issue-with-accesing-the-old-hypernews-message-board/5215)
**Author:** [@ElenaN](https://geant4-forum.web.cern.ch/u/ElenaN)\ **Replies:** 1\ **Last updated:** [June 24, 2021, 12:32pm UTC](https://geant4-forum.web.cern.ch/t/issue-with-accesing-the-old-hypernews-message-board/5215 "2021-06-24T12:32:34Z")
Hi, I’m trying to look at an old post of mine and the reply which should be in the scoring category around the time of November 2018 on the old hypernews message board. I have tried opening the https://hypernews.slac.s… --- ## [Can not login with email](https://geant4-forum.web.cern.ch/t/can-not-login-with-email/2907)
**Author:** [@gabrielb09](https://geant4-forum.web.cern.ch/u/gabrielb09)\ **Replies:** 4\ **Last updated:** [August 8, 2020, 5:04pm UTC](https://geant4-forum.web.cern.ch/t/can-not-login-with-email/2907 "2020-08-08T17:04:02Z")
Hello, I recently had to create this account since I can no longer access my old one. A little over a year ago I created my first account with my email and, while my account still exists (@Gabriel) I can no longer acces… --- ## [Conference announcements](https://geant4-forum.web.cern.ch/t/conference-announcements/2364)
**Author:** [@sergio](https://geant4-forum.web.cern.ch/u/sergio)\ **Replies:** 1\ **Last updated:** [May 14, 2020, 6:25am UTC](https://geant4-forum.web.cern.ch/t/conference-announcements/2364 "2020-05-14T06:25:58Z")
Is there any reliable channel to get updates on Geant4 conferences? The News forum category has not apparently caught up, and unfortunately does not contain a single conference announcement. A colleague of mine is subsc… --- ## [Split Requirements, Ideas and Applications forum](https://geant4-forum.web.cern.ch/t/split-requirements-ideas-and-applications-forum/533)
**Author:** [@dwright](https://geant4-forum.web.cern.ch/u/dwright)\ **Replies:** 0\ **Last updated:** [July 18, 2019, 3:51pm UTC](https://geant4-forum.web.cern.ch/t/split-requirements-ideas-and-applications-forum/533 "2019-07-18T15:51:05Z")
The Requirements, Ideas and Applications category has been split in two: “Ideas and Requirements” and “Applications”. Posts in the previous category have been moved to the appropriate new category. --- ## [.hh, .cc upload test](https://geant4-forum.web.cern.ch/t/hh-cc-upload-test/323)
**Author:** [@dwright](https://geant4-forum.web.cern.ch/u/dwright)\ **Replies:** 0\ **Last updated:** [June 20, 2019, 10:23pm UTC](https://geant4-forum.web.cern.ch/t/hh-cc-upload-test/323 "2019-06-20T22:23:56Z")
test.hh (12 Bytes) test.cc (32 Bytes) --- ## [Txt upload test](https://geant4-forum.web.cern.ch/t/txt-upload-test/322)
**Author:** [@dwright](https://geant4-forum.web.cern.ch/u/dwright)\ **Replies:** 0\ **Last updated:** [June 20, 2019, 10:21pm UTC](https://geant4-forum.web.cern.ch/t/txt-upload-test/322 "2019-06-20T22:21:29Z")
ClimberDA.txt (75 Bytes) --- ## [Doc upload test](https://geant4-forum.web.cern.ch/t/doc-upload-test/321)
**Author:** [@dwright](https://geant4-forum.web.cern.ch/u/dwright)\ **Replies:** 0\ **Last updated:** [June 20, 2019, 10:17pm UTC](https://geant4-forum.web.cern.ch/t/doc-upload-test/321 "2019-06-20T22:17:54Z")
bindingXDB\_EADL.doc (88.5 KB) --- ## [Test of pdf upload](https://geant4-forum.web.cern.ch/t/test-of-pdf-upload/320)
**Author:** [@dwright](https://geant4-forum.web.cern.ch/u/dwright)\ **Replies:** 0\ **Last updated:** [June 20, 2019, 10:14pm UTC](https://geant4-forum.web.cern.ch/t/test-of-pdf-upload/320 "2019-06-20T22:14:38Z")
EICPhysList.pdf (360.7 KB) --- ## [Test of link to HyperNews](https://geant4-forum.web.cern.ch/t/test-of-link-to-hypernews/116)
**Author:** [@dwright](https://geant4-forum.web.cern.ch/u/dwright)\ **Replies:** 0\ **Last updated:** [May 28, 2019, 3:38pm UTC](https://geant4-forum.web.cern.ch/t/test-of-link-to-hypernews/116 "2019-05-28T15:38:29Z")
To continue still-active discussions from the old HyperNews, you can include the link to the head of the discussion. For example, http://hypernews.slac.stanford.edu/HyperNews/geant4/get/geometry/1617.html The old Hype…