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Error "Unexpected SW Interrupt 33 at4c5c:1902
DocumentID: 650560
Revision Date: 29-Feb-96 8:29:00 PM

The information in this document applies to:
WordPerfect® 5.1 for DOS

Problem

Symptoms: Whenever the user goes into WP, the screen goes blank and then the user receives the error message "Unexpected SW Interrupt 33 at4c5c:1902" and the computer locks up. (The numbers in the error indicate the memory address.) Solutions: The particular customer's problem was fixed by updating the MOUSE.COM. Other users who were not using a mouse, eliminated the error by disabling the mouse driver in Setup (Shift-F1).

Another customer who received a similar error ("Unexpected SW Interrupt 0D At 0070:08CA Type ®eboot Or Any Other Keys To Continue") corrected it by removing the mouse driver from the AUTOEXEC.BAT file and updating MOUSE.COM. In this case, the error appeared while the user was installing WordPerfect on a Tandy 3000 computer.

*This information is given as a troubleshooting option.

Answer:

Details:


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