The “Windows could not connect to the system event notification service” error can come when you attempt to login to the machine. Most of the time this problem can show up if the computer runs slowly and even when you try to log in via the Administrator account. There are various reasons why this error occurs. Some of the most common issues are if the ‘Windows Font Cache Service’ malfunctions. Even, you can get this problem if the Windows updates get corrupt or the computer shut down improperly. Further, if the DHCP service is not active, then there is a possibility for you to face this glitch. Moreover, if the ‘System Event Notification Service’ is not correctly set, then this issue can pop up, etc.
Methods to Correct this Glitch Easily
In this section of the article, you can get several points that will help to eradicate the error Windows could not connect to the system event notification service.
Activate the DHCP Service
You can encounter this error if the DHCP service is not enabled. The best way to remove this problem is to enable the DHCP service. In order to do it, follow the steps underneath:
- First, press the combination of both ‘Windows + R’ keys. This will open a new dialog box, that has a name ‘Run’.
- Within this dialog box, type the following text – “services.msc”, next to the label ‘Open:’. Then, tap on the button ‘OK’. This will launch a new window called ‘Services (Local)’.
- Inside this window, there is a list full of all the services for the applications and the Operating System installed within the computer.
- From that list, locate the option ‘DHCP Client’ and double-click on it, to open a new window.
- This window has the name ‘DHCP Client Properties (Local Computer)’. Within this window, select the ‘General’ tab. Under this tab, go to the section ‘Startup type:’ and then from the drop-down menu choose the option ‘Automatic’.
- After that, move down a little bit and inspect the result within the label ‘Service status:’. Now, if the result is ‘Stopped’, then press the ‘Start’ button at the bottom. But, if the result is ‘Running’, then first tap the ‘Stop’ and next immediately hit the ‘Start’ button.
- Finally, after the ‘DHCP Service’ gets activated, then reboot the machine and see if this error comes back or not.
Start the ‘Windows Font Cache Service’ Once Again
If the ‘Windows Font Cache Service’ malfunctions or crashes due to some internal glitch, then you can encounter the Windows could not connect to the system event notification service error. The answer to solving this issue is to simply restart this service. Here are the steps to do it properly:
- Go to the previous point and then, follow the first three steps until the ‘Services’ window opens up.
- Next, inside this window look for the option ‘Windows Font Cache Service’ from the list and then double-click on it. This will launch a new window, with a name ‘Windows Font Cache Service Properties (Local Computer)’.
- On this window, tap on the tab ‘General’. Next, under this tab directly go to the bottom and then check the answer of the ‘Service status’. Now, if it is ‘Running’, hit the ‘Stop’ button and wait for five seconds, then press the button ‘Start’.
- Next, if the answer is ‘Stopped’, then tap on the button ’Start’ to initiate the service.
- Now, hit the button ‘Apply’ and then ‘OK’ respectively.
- At last, restart the computer and inspect whether you are still getting this error or not.
Again Set the Winsock Catalog
This error can appear if there is an interference issue of settings within the Winsock Catalog. Now, the feasible solution to solve this error is to reset the Winsock Catalog. To do this follow the sentences underneath:
- First, tap the ‘Cortana’ located just beside the ‘Windows’ logo. This will open the search area, where type “command prompt”.
- Next, from the search result that comes up, locate the option ‘Command Prompt’ and right-click on it. After that, from the popup menu that shows up, select the option ‘Run as Administrator’.
- Now, a new window with a black background and white text will launch, that has a name ‘Command Prompt’. Within this window type the following command and then to run it, tap the ‘Enter’ button – “netsh winsock reset”. Wait for the command to execute and set up the ‘Winsock Catalog’ once again.
- When the execution is over, then reboot the computer and see if this error reappears or not.
Remove the Update ‘KB29526624’
The Windows update ‘KB2956624’ can sometimes give you the Windows could not connect to the system event notification service due to some malfunction with the update. The solution to solve this glitch is to delete this update. To perform this process follow the steps mentioned underneath:
- First, right-click on the ‘Windows’ logo, then a popup ‘Menu’ comes up.
- After that, from the ‘Menu’, choose the option ‘Run’, which will open a dialog box that has a similar name as the option you chose previously.
- On that dialog box, next to the label ‘Open:’ type the following text “control panel”. Next, press the ‘Enter’ key.
- Now, a new window will come up that has a name ‘Control Panel’, where you will get settings of this computer in different categories. These settings can be altered by you.
- Next, from this list locate and choose the category ‘Programs’. After that, a new page will come up, where select the option ‘Programs and Features’.
- Once again, another page will pop up, where there will be a list full of all the applications installed within the computer are present. But, in this page, go to the left panel and select the link ‘View installed updates’.
- Next, you will another list where all updates of the Windows OS installed on this machine are present. Now, from that list, locate and choose an update with the number ‘KB2952664’.
- Then, right-click on it and from the popup menu, select ‘Uninstall’.
- Finally, once the uninstallation of this update is over, then simply reboot the computer and see if this error returns back or not.
Settings Inspection of the System Event Notification Service
When the System Event Notification Service settings are not correctly set, then you can face the error “Windows could not connect to the system event notification service service”. The answer to this problem is to change the settings in the correct way. For that to happen, follow the underlying steps:
- First, tap on the ‘Windows’ logo to open the ‘Start Menu’. Then, at the top of the list, choose the ‘#’ icon. Next, from the keypad, choose the letter ‘W’.
- After that, tap on the folder ‘Windows System’, which will expand and reveal its contents on a list. From that list, find and select the option ‘Run’. This will launch a dialog box, that has the same name as the option chosen on the last line.
- Within this dialog box, input the text “services.msc” on the blank area and then tap on the ‘Enter’ key.
- Now, a new ‘Services’ window will come up, where navigate and then, choose the option ‘System Event Notification Service’. Then, right-click on it and select the option ‘Restart’ from the popup menu.
- Next, double-click on that service to open its ‘Properties’ window. Within that window, select the ‘General’ tab.
- Under this tab, go to the label ‘Startup type:’ and then to its right choose the dropdown menu to reveal more options. After that, from the dropdown menu select the option ‘Automatic’.
- Lastly, hit both the buttons ‘Apply’, ‘OK’. respectively and restart the computer.
Procedure to Update Graphics/Video Card Driver
After trying all the above points if you are still getting this issue, then the best solution to resolve this problem is to update the driver software within the video/graphics card. The steps to update the display card is present in the following:
- First, press the combination of both keys ‘Windows + X’ to open the ‘Options Menu’.
- Next, from the popup menu, choose the option ‘Device Manager’. This will open a new window which has a similar name as an option on the previous line.
- Within this window, you will get a list of all the devices and their drivers installed within the computer.
- Now, from that list find and select the device ‘Display adapter’. Then, to expand the sub-list, choose the ‘arrow’ present at the front.
- Next, select the driver of the chosen device and right-click on it. After that, from the popup menu that comes up, choose the option ‘Update driver’.
- A new window shows up, where there will be two links to choose from. Among those two, select the first one that says ‘Search automatically for updated driver software’.
- As soon as you tap on this link, then the Windows OS will start to search for any updates available for the driver. If there is an update present, then that will be automatically downloaded and installed. This process can take some time to complete so wait patiently.
- Once the update of the video card driver is over, then reboot the computer to apply any alterations within the PC.
To Conclude
In this article to solve the “Windows could not connect to the system event notification service” error, you will get some of the best solutions on the previous section. But, even after following those points present in the above section, still, if it is not possible for you to remove this issue. Then, do not panic at all, just provide the details of the problems that you are encountering in the comment section present at the bottom of this page.