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Timer_or_dpc_invalid BSOD in Windows 10/11 [Complete Fix]

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Updated onMay 16, 2024

updated onMay 16, 2024

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Key notes

Here at WindowsReport, we have shared several guides on dealing with different types of Blue Screen of Death errors.

The timer or dpc invalid is another BSOD error is another annoying problem that results in forceful reboots of the system.

The bugcheck value of 0x000000C7 indicates that a kernel timer or delayed procedure call is found somewhere where it is now allowed in the memory.

It can be triggered due to a problematic driver, outdated system file, or even disk issues.

In this article, we have compiled a list of possible solutions to help you effectively resolve the timer or dpc invalid error in Windows 10.

How do I fix the timer or dpc invalid BSOD error in Windows 10?

1. Update drivers with specialized driver updater

The timer or dpc invalid mmcss.sys blue screen of death error can occur due to a broken or faulty driver. Try updating the concerned driver manually or using aspecialized driver updating utility.

The powerful and comprehensive tools are created specifically for updating drivers and so they are equipped with features that allow them to identify the driver needed by your computer, download it and install it in just a few moments.

2. Perform a full scan for virus threats

Windows Defender will scan the system for adware and malware infection. When the scan completes, remove any threat by clicking on Clean threats.

Malware or virus attacks are one of the common reasons for the timer or dpc invalid BSOD error in Windows 10 computers. Make sure to run a full scan frequently to keep your system clean.

If you’re running a third-party antivirus, check the steps below.

2.1 Close third-party antivirus

If you are running a third-party antivirus program, temporarily disable the app. The timer or DPC invalid error can be triggered if the third-party antivirus is creating conflict with the functioning of the system files.

To disable the app temporarily, expand the System Tray icon. Right-click on your antivirus program and select the option to disable it temporarily.

Open the Task Manager. Go to the Startup tab, right-click the third-party antivirus program and select Disable. Reboot the computer and check if the BSOD error occurs again.

If you deduce the issue to be triggered due to your antivirus program, consider uninstalling the app. We recommend youswitch to another antivirus solutionthat will not interfere with your system

You will be happy to know that the antivirus market doesn’t lack good options for all types of users. Just make sure to get an antivirus that is up to date so it works well with your OS and is able to detect and block all emerging threats.

It is also recommended to use a security tool that uses several types of shields to protect your device. This is why we recommend multi-layered protection tools that are able to detect malware, ransomware, phishing attacks, and all sorts of new and old security threats.

Also, make sure that the system requirements of your AV of choice match your device. This shouldn’t be an issue for most users because modern-day antiviruses are designed to offer full protection while being very light on the system.

3. Install pending Windows updates

Keeping your Windows up to date is an excellent way to prevent the blue screen of death error due to hardware incompatibility and file corruption.

Windows updates usually offer minor glitch and bug fixes that may trigger BSOD errors.

4. Run a SFC scan

The SFC command will scan the protected system files and replace corrupted files with a cached copy located in a compressed folder.

As discussed earlier, do not close the command prompt window till the process is complete. Once done, reboot the computer and check if the timer or DPC invalid error is resolved.

5. Repair bad disk sectors

If you have a PC with traditional hard drives, the disk may create bad areas over a longer period of usage. Disk errors are among the common reasons for the blue screen of death error.

There are many reasons why you would encounter the timer or DPC invalid BSOD error in Windows 10.

To help you diagnose and fix the problem, we have listed all the practical solutions to help you make the diagnosis easy.

Timer_or_dpc_invalid BSOD in Windows 10/11 [Complete Fix]#

How do I fix the timer or dpc invalid BSOD error in Windows 10?#

1. Update drivers with specialized driver updater#

2. Perform a full scan for virus threats#

3. Install pending Windows updates#

4. Run a SFC scan#

5. Repair bad disk sectors#