atc.sys écran bleu

The stop code SYSTEM SERVICE EXEPTION, with the failed item atc.sys, indicates that a system service has generated an exception. The atc.sys file is a driver associated with BitDefender antivirus software.

There are a few things you can try to fix this issue:

1) Update your BitDefender antivirus software. Make sure that you are running the latest version of BitDefender. You can check for updates by opening the BitDefender application and clicking on the Update button.

2) Uninstall and reinstall BitDefender antivirus software. If updating BitDefender does not fix the issue, try uninstalling and reinstalling it. You can download the latest version of BitDefender from the BitDefender website.

3) Run the Windows System File Checker (SFC) scan. The SFC scan can scan for and repair corrupted system files. To run the SFC scan, open a command prompt window as an administrator and type the following command: sfc /scannow 

4) Run the Windows Memory Diagnostic tool. The Windows Memory Diagnostic tool can scan for and repair memory errors. To run the Windows Memory Diagnostic tool, press Windows key + R to open the Run dialog box. Type mdsched.exe and press Enter. Select the Restart now and check for problems (recommended) option.

If the issue persists, kindly contact Bitdefender support by visiting https://www.bitdefender.com/consumer/support/.

Depending on the product you have selected and the type of issue you are facing, you can get in touch with a support representative by email, chat, or phone.

If you choose email, you will receive a ticket number at your registered email address. Please generate and attach the following logs to the ticket number you received:

Generate Bitdefender BDsysLog: https://www.bitdefender.com/consumer/support/answer/1922/

Generate Bitdefender Support Tool Log: https://www.bitdefender.com/consumer/support/answer/1733/

Generate Bitdefender Connectivity Log: https://www.bitdefender.com/consumer/support/answer/9689/

If the generated logs are large in size, you can upload them to Google Drive or WeTransfer (with a 7-day link validity for free users). Alternatively, you can ask the support team to provide you with the online link and password for Bitdefender Cloud, where you can upload the logs and share the upload link with the support team.

The support team will respond to the same email within the next 24-48 hours, excluding weekends.

Regards