Home → EstiMate Version 1 → Error Messages & Behavioral Problems → Win32 error: Code 87? The Parameter is incorrect.
1. Cancel the print operation then save and close your estimate.
2. Close the EstiMate application and re-open it again.
3. Attempt to print your estimate again. It should print without incident.
--A Further Suggestion--
If the above instructions fail to solve the problem it is recommended you close the EstiMate application, save changes and close other open applications, restart the computer, open EstiMate and attempt to print again.
This error appears to be related to low system resources.