Changing to tabSRMM indeed seems to fix it.
I use the standard message editor, whatever that is called, no extra plugin. I just like it the most.
So it doesn't seem to be a database problem (in dbchecker I have everything unchecked)
VersionInfo
CPU: Intel(R) Core(TM) i7-2600K CPU @ 3.40GHz [Intel64 Family 6 Model 42 Stepping 7] [DEP Enabled] [8 CPUs]
Installed RAM: 16282 MBytes
Operating System: Microsoft Windows 8.1 Business Edition, 64-bit (build 9600)
Internet Explorer: 9.11.9600.17126 (build 99600)
Administrator privileges: No
OS Languages: (UI | Locale (User/System)) : German/German | German/German
Free disk space on Miranda partition: 19180 MBytes
Miranda NG Version: 0.95.1 build #9721 x64
Build time: 7 Jul 2014 15:05:12
Profile: D:\Programme\Miranda NG\Profiles\main\main.dat
Profile size: 57737216 Bytes
Profile creation date: 9 Jul 2014 21:57:34
Language pack: No language pack installed
Service Mode: No
Active Plugins (19):
AdvaImg.dll v.0.11.0.1 [26 Jan 2014 21:07:52] - Miranda image services
AVS.dll v.0.11.1.1 [7 Jul 2014 14:56:04] - Avatar service
Clist_nicer.dll v.0.9.2.3 [7 Jul 2014 14:57:20] - Clist nicer
Cln_skinedit.dll v.0.0.0.4 [26 Jan 2014 21:07:38] - Skin editor for clist nicer
CrashDumper.dll v.0.0.4.22 [7 Jul 2014 15:00:02] - Crash dumper
Dbx_mmap.dll v.0.95.1.1 [7 Jul 2014 14:56:10] - Miranda NG mmap database driver
Facebook.dll v.0.2.7.0 [7 Jul 2014 14:58:32] - Facebook RM
HistoryPP.dll v.1.5.1.5 [15 Jun 2014 21:16:40] - History++
ICQ.dll v.0.11.2.1 [7 Jul 2014 14:57:12] - IcqOscarJ protocol
Import.dll v.0.11.0.1 [7 Jul 2014 14:56:06] - Import contacts and messages
Jabber.dll v.0.11.0.4 [7 Jul 2014 14:57:06] - Jabber protocol
MSN.dll v.0.11.0.2 [7 Jul 2014 14:57:08] - MSN protocol
PluginUpdater.dll v.0.1.2.1 [7 Jul 2014 15:00:32] - Plugin updater
PManagerEx.dll v.0.0.0.5 [7 Jul 2014 15:00:34] - Miranda NG profile changer
SeenPlugin.dll v.5.0.4.8 [7 Jul 2014 14:57:54] - Last seen
StartupStatus.dll v.0.8.0.47 [7 Jul 2014 14:58:06] - StartupStatus
TabSRMM.dll v.3.3.1.4 [7 Jul 2014 14:56:38] - TabSRMM
UInfoEx.dll v.0.8.5.0 [7 Jul 2014 14:58:22] - User info ext
WhenWasIt.dll v.0.3.3.5 [7 Jul 2014 14:58:16] - Birthday reminder
Unloadable Plugins (1):
DbChecker.dll v.0.0.0.0 [7 Jul 2014 15:00:20] - <unknown>
Protocols and Accounts:
-------------------------------------------------------------------------------
Facebook 0 - Enabled 0 - Disabled Loaded
ICQ 1 - Enabled 0 - Disabled Loaded
JABBER 2 - Enabled 1 - Disabled Loaded
MSN 0 - Enabled 1 - Disabled Loaded
MetaContacts 1 - Enabled 0 - Disabled Loaded
SKYPE 0 - Enabled 1 - Disabled Not Loaded
Icon Packs:
-------------------------------------------------------------------------------
HistoryPP_icons.dll [7 Jul 2014 15:00:52]
Proto_AIM.dll [7 Jul 2014 14:58:54]
Proto_conn_Skype.dll [8 Dec 2012 23:49:24]
Proto_Facebook.dll [7 Jul 2014 14:58:50]
Proto_GG.dll [7 Jul 2014 14:58:54]
Proto_ICQ.dll [7 Jul 2014 14:58:54]
Proto_IRC.dll [7 Jul 2014 14:58:54]
Proto_Jabber.dll [7 Jul 2014 14:58:56]
Proto_MetaContacts.dll [7 Jul 2014 15:03:58]
Proto_MSN.dll [7 Jul 2014 14:58:56]
Proto_Skype.dll [7 Jul 2014 15:02:58]
Proto_Yahoo.dll [7 Jul 2014 14:58:56]
TabSRMM_icons.dll [7 Jul 2014 15:00:54]
Toolbar_icons.dll [7 Jul 2014 14:59:02]
UInfoEx_icons.dll [7 Jul 2014 14:58:34]
xStatus_ICQ.dll [7 Jul 2014 14:57:12]
xStatus_Jabber.dll [7 Jul 2014 14:57:14]