Windows System Error Code 121 – ERROR_SEM_TIMEOUT (0x79)]

In this post, you’ll learn about the Windows System Error ERROR_SEM_TIMEOUT (0x79)] and the reason why you are receiving the error message

How does this Error in Windows Look like?

Error Code 121 ERROR_SEM_TIMEOUT (0x79)]

Why do you receive the System Error Error Code 121 ERROR_SEM_TIMEOUT (0x79)] in Windows?

The semaphore timeout period has expired.