UK-Varsh

Well thankfully I backed up the first IPS4 upgrade MySQL DB and I just simply copied the two tables that I had the issues with (ips_core_notifications and ips_downloads_reviews) and the upgrade script went through without an issue. Also the theme issue has completely gone! Whether this was because of removing the plugins first or because I was using the newly patched IPS4 build I don't know, but my site is now back online and working.

I'm going to give this a go now and see if it works. Going to have to jot down the plugins I'm using but as far as themes go, I have only been using the default one. I'll let you know if it works or not. Edit: I'm getting this error message now when trying to upgrade: 1034Incorrect key file for table 'ipb_core_notifications'; try to repair it /share/MD0_DATA/Web/idev/system/Db/Db.php::1482

When I install IPS4 fresh everything works perfectly with no issues at all. However during an upgrade from IPB3.4.7 it removes the old themes and defaults to the IPS4 default theme. However for some reason this doesn't seem to work. I have also tried installing a few of the free IPS4 themes and setting those to default as well as setting it so all users use it without luck too. It's a very strange issue that I and I guess many others can't explain. Some people have managed to get it working after the Support -> Problem Option -> Clear Cache stage but it seems like this doesn't always work (and doesn't with me).

I have the same issue. Going through the Support option in the ACP doesn't seem to be working. Even if you install an IPS4 theme, I (and most likely others) still have this issue where the lack of theme is still happening.