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F8 not working in Microsoft Access 2007

In attempting to debug, or to step through some existing code, within Access 2007, the F8 key does not allow one to step through the Subs...either Private or just Sub.  What would be causing this to occur?   At the moment I'm just at the Forms that begin the Start-up  Code, for the application.
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Boyd (HiTechCoach) Trimmell, Microsoft Access MVP 2010-2015

8/22/2022 - Mon
Boyd (HiTechCoach) Trimmell, Microsoft Access MVP 2010-2015

First check in the  Access Options under current database and be sure  Use Access Special Keys is checked. See image below

Also some keyboards have function keys that also have another purpose. Do the keys have something else on them. If so, be sure they are enabled.

This may also help:
Error Handling and Debugging Tips for Access 2007, VB, and VBA

Current Database Options
Hamed Nasr

Other running program may be assigning F8 for one of its functions.
Dale Fye

On of my keyboards has a Fn Lock, which resets itself to unlocked after I reboot.  That's the first thing I check.
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Walt Forbes

How would I know if another running program is using the F8 key?  I can open Excel and the F8 key works as it should.  The other issue is that I put a control break on virtually every Sub or Function, and then ran the OpenMenu macro, and the code never stopped, it put up the main screen and pulled in the appropriate printers.  How would the code still be working with almost all of the code having some control break within it?
Hamed Nasr

"How would I know if another running program is using the F8 key? "

Snagit, a screen capture software. I assigned F8 to trigger recording. I ran code and and it stopped a a break point. Pressed F8, it did not step into code, instead it showed the capture selection.

It depends on which program has higher priority to intercept the hot key (F8 in this case).

You know which program if it starts processing the action, if it continues to process the code, then another issue is causing this.

Try to reproduce the issue with a sample database and upload.

Attached is a safe database with the VBA.  Hopefully, you can find out the F8 issue.
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Boyd (HiTechCoach) Trimmell, Microsoft Access MVP 2010-2015

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Well, what was interesting was that I did check that box, and wonder how it became unchecked.  What I have found is that if there is an error that needs debugged, F8 works okay.  To just display the Code from a Form, and try to step through, it doesn't work.  I don't believe it makes a difference between Private Sub or Sub, but I've tried both and nothing happens, unless there is an error.

Were you able to step through all of the code connected to the forms?
Boyd (HiTechCoach) Trimmell, Microsoft Access MVP 2010-2015

Well, what was interesting was that I did check that box, and wonder how it became unchecked.

Do you possible have VBA code that turns it off at startup?

I held down the shift key when I opened you data to avoid any start up code. I open a code module and figured out a name of something I could call from the immediate window.  I was not able to use breakpoints of F8 until I checked the Use Access Special Keys. Then everything worked.