Is there anything else that goes along with the message you posted such as "The specified module could not be found"?
Have you tried running System File Checker to see if it detects a problem?
a. From the Start screen, type Command Prompt
b. Right-click on the command prompt and choose Run as Administrator.
c. Type the following command, and then press ENTER:
sfc /scannow and press Enter.
You could also try the following"
"1st: Download Auto Runs.
Click Here:
http://download.sysinternals.com/files/Autoruns.zip
Link basis:
http://technet.microsoft.com/en-us/sysinternals/bb963902.aspx
2nd: Find the yellow highlighted Image Paths that ends with sysmenu.dll. Usually you can locate those image paths from Scheduled Task.
3rd: Right click then delete.
4th: Try to find all yellow highlighted Image Paths that ends with sysmenu.dll from "Everything tabs, delete them.
NOTE: Carefully choose image paths that ends sysmenu.dll only, if you deleted paths that are not high lightened then it might cause some trouble booting your PC.
5th: Reboot Computer
6th: Wait at least 5 minutes to confirm that the issue has been resolved. (sysmenu.dll usually appears within a minute from rebooting the computer. )"
Source:
http://answers.microsoft.com/en-us/windows/forum/windows8_1-performance/systemsysmenudll-the-specified-module-could-not-be/809f79e3-db5e-455b-aebb-4c0f66a8babc