# Error: “Couldn’t start the internal web server.” **URL:** \ **Category:** RapidWeaver Classic\ **Created:** [October 2, 2018, 3:24pm UTC](https://forums.realmacsoftware.com/t/error-couldn-t-start-the-internal-web-server/22621 "2018-10-02T15:24:26Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![kullboys](https://avatars.discourse-cdn.com/v4/letter/k/cdc98d/32.png) [@kullboys](https://forums.realmacsoftware.com/u/kullboys)\ **Post date:** [October 2, 2018, 3:24pm UTC](https://forums.realmacsoftware.com/t/error-couldn-t-start-the-internal-web-server/22621/1 "2018-10-02T15:24:26Z")
Hello everyone I just upgraded from Rapidweaver 6 to 7.3. When I go to Preview mode, I see the following error: Couldn’t start the internal web server. Please restart Rapidweaver. After a minute or so, the page does load normally. But restarting Rapidweaver does not solve the issue. Who knows what’s going on here? Thanks[.](http://www.biz-strategy.ae/index.php?option=com_k2&view=itemlist&task=user&id=261074) ---
**Author:** ![thang](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/thang/32/303_2.png) [@thang](https://forums.realmacsoftware.com/u/thang)\ **Post date:** [October 2, 2018, 4:40pm UTC](https://forums.realmacsoftware.com/t/error-couldn-t-start-the-internal-web-server/22621/2 "2018-10-02T16:40:56Z")
First thing to try might be to update to 7.5.6, which is the last release of RW7. ---
**Author:** ![system](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/system/32/25301_2.png) [@system](https://forums.realmacsoftware.com/u/system)\ **Post date:** [November 2, 2018, 2:40am UTC](https://forums.realmacsoftware.com/t/error-couldn-t-start-the-internal-web-server/22621/3 "2018-11-02T02:40:58Z")
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