This is a old method fixing it.
You got that problem because your OP7 crash or your windows got errors.
But normally you got that problem when you use a hack and is detected.
~Sonic
I found a fix for the Op7 error message.
If you recieve this message:
Then you might be able to fix it. All you have to do is Exclude Operation7.exe from DEP.
This link will guide you to enable/disable DEP:
Code:https://technet[dot]microsoft[dot]com/en-us/library/cc700810.aspx#XSLTsection123121120120
This is a old method fixing it.
You got that problem because your OP7 crash or your windows got errors.
But normally you got that problem when you use a hack and is detected.
~Sonic