If you wish to debug a runtime error, such as “Line 18 Error: ”h” is null or not an object”, then follow the easy 5-step resolution to solve this problem on your computer.
A runtime error is an error that appears when a program is being installed or copied and even after the installation or copying process is over. It specifies the error code and its corresponding definition, which is displayed in a message box.
Each step is accompanied by an indicative screenshot for ease of mirroring the action.
Run AOL Application
Run the AOL application again. .
Caution: While optimizing the Internet Explorer®, you may lose your saved passwords, cookies, etc.
You have successfully debugged the runtime error, “Line 18 Error: ”h” is null or not an object”. Now, your system is completely free from the error. To maintain smooth system performance, we recommend you to install a PC optimizer on your computer.