Assignment Problems Sometimes problems can occur when you are working on assignments in WebAssign. Can't Open AssignmentYour assignment does not open when you click it.Assignment Loads SlowlySometimes, assignments load slowly in WebAssign. Often, this is because a large assignment has been configured to display all questions at once.Cannot View QuestionWebAssign displays an error in place of your question.Cannot Submit AssignmentWhen you attempt to submit an assignment, WebAssign indicates that the assignment is past due, even though your clock indicates that it is not yet time for the assignment to be due.Graphing Tool is Not RespondingThe Clear All and No Solution buttons in the graphing tool do not work in Firefox.Display Problems in Internet Explorer / Microsoft EdgeIn some cases, assignments might not display correctly in Internet Explorer® / Microsoft® Edge.Characters that can't be gradedWhen working in a mathPad, calcPad®, or physPad® problem, a message is shown indicating that your answer contains a number of characters that can't be graded.Incorrect Characters Displayed When Typing in Some QuestionsSometimes in Flash-based question types, such as NumberLine or the graphing tool, the characters that are displayed in your answer are not the characters you typed. Instead, random numbers are displayed. Or, your answer might not be visible because the text is white on a white background.Incorrect ScoringIf you think your answer was scored incorrectly, use this checklist to rule out some common problems before reporting the question to your instructor.Cannot Change Your Answers Even Though You Have More SubmissionsFor some assignments, after submitting one or more answers, you cannot change your answer again, even though you have more submissions and the assignment deadline has not passed.LockDown Browser Is Not Working ProperlySometimes, LockDown Browser® does not work properly on Mac OS X or Windows.WebAssign Displays Your answer was not submittedSometimes the Mathematica® server responds slowly when grading mathPad, calcPad®, or physPad® questions.Marvin JS ProblemsSome problems have been reported in specific situations when you are using the Marvin JS tool in WebAssign.Java ProblemsSome problems have been reported for questions requiring Java™.Can't Use Practice Another VersionThe Practice Another Version button isn't displayed, or nothing happens when you click it.Flash Content Not ShownYou cannot see tools and content that require the Adobe® Flash® Player. This includes publisher-provided eBooks and tutorials. Due Date Changes Unexpectedly for Timed AssignmentIf you started a timed assignment and your instructor granted you extra time, the assignment due date changes until you resume work on the assignment.Can't Open Shockwave ContentSome older WebAssign content requires Adobe® Shockwave® Player, but the Adobe® Shockwave® Player is not available for download.