Thanks for the replies.
The box was due to record several programmes and so, as a quick check, and before I did anything else, I tried humax# cat /tmp/webif-error.log but there was no output.
Late, I ran fixdisk and a whole lot of blocks were rewritten. I then used humax# cat /tmp/webif-error.log and got the following:
humax# cat /tmp/webif-error.log
/mod/webif/lib/settings.class:109: Error: no such table: settings
in procedure 'header' called at file "/mod/webif/html/index.jim", line 8
at file "/mod/webif/lib/setup", line 96
at file "/mod/webif/html/lib/header.jim", line 44
at file "/mod/webif/html/lib/topbar.jim", line 35
in procedure '<reference.<setting>.00000000000000000002>' called at file "/mod/webif/include/toolbar.jim", line 5
in procedure 'settings notoolbar' called at file "/mod/lib/jim/oo.tcl", line 52
at file "/mod/lib/jim/oo.tcl", line 73
in procedure '<reference.<setting>.00000000000000000002>' called at file "/mod/webif/lib/settings.class", line 187
in procedure 'settings _nval_setting' called at file "/mod/lib/jim/oo.tcl", line 52
at file "/mod/lib/jim/oo.tcl", line 73
at file "/mod/webif/lib/settings.class", line 109
/mod/webif/lib/settings.class:109: Error: no such table: settings
in procedure 'header' called at file "/mod/webif/html/diag/dspace/index.jim", line 9
at file "/mod/webif/lib/setup", line 96
at file "/mod/webif/html/lib/header.jim", line 44
at file "/mod/webif/html/lib/topbar.jim", line 35
in procedure '<reference.<setting>.00000000000000000000>' called at file "/mod/webif/include/toolbar.jim", line 5
in procedure 'settings notoolbar' called at file "/mod/lib/jim/oo.tcl", line 52
at file "/mod/lib/jim/oo.tcl", line 73
in procedure '<reference.<setting>.00000000000000000000>' called at file "/mod/webif/lib/settings.class", line 187
in procedure 'settings _nval_setting' called at file "/mod/lib/jim/oo.tcl", line 52
at file "/mod/lib/jim/oo.tcl", line 73
at file "/mod/webif/lib/settings.class", line 109
/mod/webif/lib/settings.class:109: Error: no such table: settings
in procedure 'header' called at file "/mod/webif/html/index.jim", line 8
at file "/mod/webif/lib/setup", line 96
at file "/mod/webif/html/lib/header.jim", line 44
at file "/mod/webif/html/lib/topbar.jim", line 35
in procedure '<reference.<setting>.00000000000000000002>' called at file "/mod/webif/include/toolbar.jim", line 5
in procedure 'settings notoolbar' called at file "/mod/lib/jim/oo.tcl", line 52
at file "/mod/lib/jim/oo.tcl", line 73
in procedure '<reference.<setting>.00000000000000000002>' called at file "/mod/webif/lib/settings.class", line 187
in procedure 'settings _nval_setting' called at file "/mod/lib/jim/oo.tcl", line 52
at file "/mod/lib/jim/oo.tcl", line 73
at file "/mod/webif/lib/settings.class", line 109
humax#
The webif display remained the same so I reinstalled the customised firmware but, again, nothing changed.
What else can I do now? The response to humax# cat /tmp/webif-error.log means nothing to me!