A glitch in a computer program will prevent report cards in Prince George’s County from being sent out Thursday.

The school system notified parents Wednesday that the third-quarter progress reports will be available Monday, April 23.

Briant Coleman, a schools spokesman, said parents have access to their child’s grades through the system’s SchoolMax portal any time during the school year.

“We recently updated our software, which caused a slight delay,” he said. “However, the report cards have been printed and will be released on Monday.”

 The glitch that caused the four-day delay pales in comparison to the numerous errors that plagued the system’s computer program in 2009, its first year in operation. Then, SchoolMax crashed several times, botching students’ schedules. Later that year, it issued report cards late and, in some cases, with errors.

Ironically, the program seems to act up around the same time: Third-quarter progress reports were delayed for six days in 2009.