Checked the log. Seems to have something to do with JPEG coding. Thanks in advance for any help.
Last lines from log before crash -
18:59:43.318 T:2558559216 WARNING: COMXImageFile::GetCodingType progressive images not supported by decoder
18:59:43.319 T:2558559216 DEBUG: COMXImageFile::ReadFile /home/osmc/.kodi/addons/script.skinshortcuts/fanart.jpg GetCodingType=0x7fffffff (1920x1080)
18:59:43.319 T:2558559216 NOTICE: LoadJpeg: unable to load /home/osmc/.kodi/addons/script.skinshortcuts/fanart.jpg
18:59:43.348 T:2657063920 DEBUG: Fast Caching image ‘/usr/share/kodi/addons/skin.estuary/resources/fanart.jpg’ to ‘b/bd33b749.jpg’: (nil)
18:59:44.163 T:3005215728 DEBUG: CWebServer[8080]: request received for /jsonrpc
18:59:44.235 T:2657063920 DEBUG: CWebServer[8080]: request received for /image/image%3a%2f%2f%252fusr%252fshare%252fkodi%252faddons%252fskin.estouchy%252fresources%252ffanart.jpg%2f
18:59:44.301 T:2657063920 WARNING: COMXImageFile::GetCodingType progressive images not supported by decoder
18:59:44.302 T:2657063920 DEBUG: COMXImageFile::ReadFile /usr/share/kodi/addons/skin.estouchy/resources/fanart.jpg GetCodingType=0x7fffffff (1280x720)
18:59:44.303 T:2657063920 WARNING: COMXImageFile::GetCodingType progressive images not supported by decoder
18:59:44.304 T:2657063920 DEBUG: COMXImageFile::ReadFile /usr/share/kodi/addons/skin.estouchy/resources/fanart.jpg GetCodingType=0x7fffffff (1280x720)
18:59:44.304 T:2657063920 NOTICE: LoadJpeg: unable to load /usr/share/kodi/addons/skin.estouchy/resources/fanart.jpg