The Bitdefender error 87 associated with Bitdefender Antivirus occurs when the software crashes or fails to open. It is a runtime error, which is also caused by a virus or malware. Some users also face internet connection issues along with the error.
Consider the steps that are given below to fix the problem.
- Runtime errors may occur if you have a poor graphics driver, or due to memory issues.
- Make sure that you don’t have any other antivirus software installed on your computer.
- Press the Control + Alt + Delete buttons together to open the Task Manager window.
- The Runtime error appears when multiple applications run at the same time.
- Click the Processes tab and select the unwanted programs from the displayed list.
- Choose the program one by one and click End Task.
- Check if the error window prompts up when you stop a process.
- If the error doesn’t appear when you disable a process, the issue lies with the particular program.
- Reinstall the program causing the error to fix the Bitdefender error 87 issue.
- To uninstall the program, open to the Control Panel window and select the Uninstall a Program option.
- Select the software you want to remove in the Programs and Features window, and click Uninstall.
- After the uninstallation is complete, you can reinstall the program.
- If the issue persists, update your Windows operating system to the latest version.
- Go to the Settings window and select the Update & Security section.
- Click Check for Updates and update your operating system if an update is available.
- Now, update the Bitdefender Antivirus program from the official Bitdefender website.
- If the error appears again, clear the caches on your computer and free up space from your hard drive after backing up your files.
- Open the Disk Cleanup window, select the Drive as (C :), and click OK.
- Wait until the cleaning process is complete and restart your computer to resolve the Bitdefender error 87 issue.