Errors are quite common and can occur without any warning. But when you diagnose the exact reason behind the error code, you can quickly fix it with the proper solution. When it comes to the Avast antivirus error code 42040, it may happen during runtime. When the program fails to run or crashes during runtime, you will end up with this error code. The reason behind the error might be conflicting programs, virus infection, or insufficient memory. Continue to read the following sections to fix the avast antivirus error code 42040.
Close the conflicting program
Step 1: When programs conflict with each other, you will end up with the 42040 error code during runtime. You can fix it by closing one of the programs. In the first place, you need to know which programs are the conflicting ones.
Step 2:Press the Ctrl, Alt, and Delete keys simultaneously to open the Task Manager.
Step 3:Close the running programs one by one. Whenever you close a program, check whether the error code has disappeared.
Step 4:When you identify the exact program which causes the error, uninstall it from your computer and check whether you have resolved the issue.
Update your virus protection and install the Windows update
Step 1:Virus infection can be a potential reason behind the runtime errors.
Step 2:Update your virus protection program and run a thorough scan of your computer.
Step 3:Go ahead with the Windows update so that you can get the latest virus definition.
Re-install the runtime libraries
Step 1:When the MS Visual C++ package is not installed correctly on your computer, you might end up with the runtime error 42040.
Step 2:Uninstall the package, download the latest package from Microsoft, and re-install it.
Clean up the disc
Step 1:When your system runs out of storage, it will start to malfunction. This scenario can be a significant reason behind the avast antivirus error 42040.
Step 2:Back up your data using an external hard drive and clean up the disc.
Step 3:Right-click on the main directory, select Properties, and then click Disc Cleanup.
Re-install the Graphics Driver
Step 1:In case the 42040 error has occurred due to a bad graphics driver, you need to fix it first.
Step 2:On your computer, go to the Device Manager, and locate Graphics Driver.
Step 3:Right-click on the Graphics Driver and select Uninstall.
Step 4:Restart your computer and download the updated Graphics Driver for your computer.
These are the potential reasons for the runtime errors. You can fix the avast antivirus error 42040 by trying out the troubleshooting methods mentioned above.