Works 2001 Task Launcher

I originally got the following message when I tried to access files in Task Launcher. I reinstalled Works 2001 and Word 2000.
When I try to access mostly Word files in Task Launcher it freezes up and I get the message again..".Cannot access the task you sleected. Files need to start the program may be missing, corupted or may have been deleted. To restore or replace the files reinstall the program and start again." I hit okay the the document I have requested does come up. It doesn't seem to occur with Works file but all the word file.

Could it have anything to do with the message I get from the Asst when trying to close some files. "Normal dot was being edited by another word session. If you save this doc with the original name you will overwrite any changes made in another session. Do you want to save using the original name anyway.
If I press cancel (because I don't quited understand what it means) I get another message from the Asst. "Changes have been made that affect the global template normal.cot. Do you want to save changes. Can someone explain to me what this is all about. The other message I get sometimes is it is a READ ONLY FILE.:[