“Spoolsv.exe - Application Error"

“The instruction at "0x77fcc2c0" referenced memory at "0x00000000".

“The memory could not be written."

This is due to bad print jobs in the printer queue

1. Open Control Panel, select Performance and Maintenance, select Administrative Tools and then select the Services option.
2. In the Services management console, locate the Printer Spooler services, right-click on it and select Stop.
3. Next, open the C:\Windows\System32\Spool\Printers folder. (Here, we are assuming that your Windows is installed in the default C:\Windows folder)
4. Delete all the .SHD and SPL files from this folder.
5. Finally, restart the Spooler service from the Services management console.