When you want to view the status diagram of workflow process on status monitor page from the workflow administrator responsibility, maybe you get the error page like below:
The solution for the above issue is set the Server Timezone profile option on the Site level.
After that you can able to see the status diagram in workflow status monitor.
Sometimes we will face below issues in R12.

Issue 1:
You have insufficient privileges for the current operation. Please contact your System Administrator.

You cannot run a page which is not Self Secured when the MAC fails.

Set the below 3 profiles to None
1) FND Function Validation Level
2) FND Validation Level
3) Framework Validation Level
Issue 2:
Unexpected URL parameters have been detected and will be ignored Solution:

In JDeveloper, go to menu Tools–>Embedded OC4J Server Preferences–>Global–>Startup–>Select Default Local IP Address.
Most of users face issue running Oracle forms on Microsoft Internet Explorer 8 (IE8) or later versions which causes the page to redirect to following url:


Internet explorer has closed this webpage to help protect your computer
A malfunctioning or malicious add-on has caused Internet Explorer to close this webpage.

We were unable to return you to the page you were viewing. Internet Explorer has stopped trying to restore this website. It appears that the website continues to have a problem.

1) Take backup of jvm.dll located at c:Program FilesOracleJInitiator1.3.1.xbinhotspot directory. (Depending on JInitiator version you have)
2) Copy jvm.dll from C:Program FilesJavajre1.6.0_07binclient (or whichever highest version of jre you have) to c:Program FilesOracleJInitiator 1.3.1.xbinhotspot
3) Clear browser cache and also Oracle Jar cache
For XP:
(Remove all files from c:documents and settings<username>Oracle Jar cache)

For Vista/7/8
(Remove all files from c:users<username>Oracle Jar cache)
4) Close all the browsers and restart.

In case if you are unable to find the jvm.dll in that location or if the above solution didn’t work for you, you can download the working jvm.dll from here.

I hope your issue should have been resolved now !