Oracle Forms and Reports Services 10.1.2.0.2 - FRM-92101

After some time i get weird error FRM-92101 at long time installed application server. For a long time configuration of AS did not changed and only difference is that i put some new applications. Before that action total number of users at a peak time was around 20-30 and now its 70+ (top number is 110).

Oracle Errror is : FRM-92101: There was a failure in te Forms server during startup. This could happened during invalid configuration. Please look into web-server log file for details.

I have installed Oracle Forms and Reports Services (standalone) 10.1.2.0.2 on Windows Server 2003 SP2 (full updated).

First step was to look on metalink and there i found few notes about the error itself and most common things to do when error occurs. But all that generalization did not help at all as always when Oracle started generalizing.

After reading many posts on OTN i found a solution. On windows server i go to Services (in command prompt type services.cmd). Then i found OPMN service:

Double click on OracleWINFRSProcesManager, select tab "Log On" and then check "Allow Service to interact with Desktop. After that error never shows again: