Can not open PLLs on Forms Builder 10g

Question

Hi Folks,
everytime I try to open an existing PLL-File via the Forms Builder FileOpen-Dialog I have got the message
    PDE-PLI018 Couln not find library
    Drive:\Path\LibName.pll
Pressing the OK-Button returns to the FileOpen-Dialog. The selected FileType in the Dialog take effect to the filelist but nothing else.
Note that the file exists and I select it from the Filelist!
About Forms Window shows the following:
Forms [32 Bit] Version 10.1.2.0.2 (Production)
Oracle Toolkit Version 10.1.2.0.2 (Production)
PL/SQL Version 10.1.0.4.2 (Production)
Oracle Procedure Builder V10.1.2.0.2 - Production
PL/SQL Editor (c) WinMain Software (www.winmain.com), v1.0 (Production)
Oracle Query Builder 10.1.2.0.2 - Production
Oracle Virtual Graphics System Version 10.1.2.0.2 (Production)
Oracle Tools GUI Utilities Version 10.1.2.0.2 (Production)
Oracle Multimedia Version 10.1.2.0.2 (Production)
Oracle Tools Integration Version 10.1.2.0.2 (Production)
Oracle Tools Common Area Version 10.1.2.0.2
Oracle CORE     10.1.0.4.0     Production
While converting from 6i to 10g it is unavoidable to convert forms and libraries, so please help me!
PS: I can recompile forms with attached libraries if the PLX-Files (6i) are available, but the forms will not work with these PLX-Files.
edited by ths:
I tried to generate a new library. This works fine until I saved it. After naming the library and pressing the save button in the dialog the pll file was created and the same error message appears.
I closed form builder and tried to reopen the library: same error.
I generated another new library and save this by selecting the first new I generated. Jippee! I get the message that the file already exists! I selected "overwrite" and the file was overwritten. After that the same error appears.
How can I (re)open PLL files? It is no solution to generate a new library overwriting the old one everytime some changes should made.
Trying to build the library (Ctrl+T) produces another error:
    FRM-91507: Internal Error: Unable to generate library.
Compiling (Ctrl-Shift-K) works fine.

Answer 1

Hi Mark,
there's no user except of me on the pc and server (I'm working via rdp-client on a virtual server), no server and no oc4j task or instance started. The one and only program that runs is forms builder. The error occurs if I just try to open a pll file via the file open dialog of forms builder.
With my admins we found that forms builder creates a (temporary) file (e.g. s22o without extension with 827392 bytes) in c:\ but only if I'm the actual user. After I'm getting the permission to create and update files on c:\ forms builder was able to open pll files. Now we're trying to find out why this accurs only on my login. With other users we tried these file was created on F:\ which is the personal drive of the user. I'm only wondering about the fact that temporary files were not created in the TEMP folder defined by the TMP or TEMP environment variable.
So we solved this unusual problem in an unusual way.