You are working on your Windows PC and you encounter the error code 100 which also indicates the following message – ‘Cannot create another system semaphore. [ERROR_TOO_MANY_SEMAPHORES (0x64)]’
The error code 0x00000064 occurs when there is a problem within your computer that affects the system semaphore. These kinds of errors do not usually show the exact reason and the solution for the issue. Rather, it appears as a symptom for a different problem. However, you can still resolve it.
Potential Solutions for System Error Code ERROR_TOO_MANY_SEMAPHORES on Windows PC

We may not exactly point out the right solution for the system error, but there are several methods that can help you fix it. Let’s check them out.
1. Change Performance Settings to Best
Launch the Run Dialog Box by pressing Windows key + R and enter the following command: sysdm.cpl. Navigate to the Advanced tab and head over to Performance. Click Settings and go to Visual Effects. Make sure to set it to best performance or you can click Adjust for best performance.
2. Do a SFC Scan
Open the Command Prompt and run it as administrator. Enter the command: sfc /scannow. Wait for the process to finish.
3. Turn Off the Background Services
Open the Run Dialog Box and type the command: services.msc. Hit the Enter key. Look for any services that are not essential and right-click on it. Click Stop.
4. Run the CHKDSK utility
Launch the Command Prompt and run it as administrator. If the system says you cannot run it and gives you the option to run it before the next startup, click yes and exit. Restart your computer. The checkdisk will then run. Wait for the process to finish.
5. Delete Temporary Files in your PC
Open again the Run Dialog Box. Enter the command: %temp%. Now, highlight or select all the files and folders and press Shift key + Del key. This will remove all the temporary files and folders permanently.
6. Perform a System Restore
Open the System settings of your Windows PC. Select System and Security and go to System. Now, click System protection and select System Restore. A set of instructions will appear. Just follow them and click Next. Click the Finish button last and wait for the process to be done.
Wrapping It Up!
The methods above are suggestions on what you can do to resolve the system error on your Windows PC. Trying these solutions one at a time can be helpful.