Table xxx_xxx.xxxspellcheck_custom doesn't exist

user warning: Table 'clearxst_micr.micrspellcheck_custom' doesn't exist query: SELECT * FROM micrspellcheck_custom in .../sites/all/modules/spellcheck/spellcheck.module on line 107.

I'm not sure if reinstalling helps; maybe something is wrong with the additions of the sitename and database prefix?

=> ticked off the spell check module, then /admin/build/modules/uninstall , then removed from directory, then downloaded from drupal again and uploaded+extracted, then ticked the basic module on again (not the other two subs)

=> Seems that the database error has disappeared; no idea how it could have got there before...