This is a topic that probably occurred a lot more in the old days of Trados and Translators Workbench where it was relatively easy to corrupt a translation memory.  In those days the translation memory consisted of five file types with the extensions .tmw, .mwf, .mtf, .mdf and .iix and when problems did occur it was probably related to the files that supported indexing and lookup speeds for example.  The .tmw file itself that contained the translation units was less likely to be the source of the problem.  So fixing it could often be achieved by creating a new translation memory with the same settings... Read the full text.