Problem with NVDA after uninstalling programs

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Problem with NVDA after uninstalling programs

Sean Mealin
Hi all,

I'm using NVDA 2016.3 on windows 10 (completely up-to-date).  After uninstalling some programs (nothing critical, such as the unity engine editor, Microsoft VS code, etc.), I've lost the ability to read most windows with NVDA.  Most programs, such as Firefox just say the word unknown for each control, while other parts of the operating system, such as context menus and the menu that comes up when you press win+x don't say anything at all.  The only thing that I recently removed that is at least tangentially related to NVDA is the mathplayer program for reading accessible math on the web, which I never got to work anyway.

The troubleshooting steps that I've taken:
* Reset NVDA to factory defaults
* Completely removed and reinstalled NVDA
* Run Microsoft SFC to check for corrupted system files
* Set the NVDA logging level to debug, and looked for any errors or other clues

Does anyone have any suggestions on what else I can try?  I'm desperately trying to avoid the final option of a complete system wipe and reinstall.

Thank you

Sean


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Re: Problem with NVDA after uninstalling programs

Leonard de Ruijter-4
Hi Sean,

I'm afraid that's it's a known problem that math player causes this. So, I'd reinstall that and see whether it fixes your issue.

Regards,
Leonard

N.B. Sent on behalf of @BabbageCom

> Op 26 nov. 2016 om 18:23 heeft Sean Mealin <[hidden email]> het volgende geschreven:
>
> Hi all,
>
> I'm using NVDA 2016.3 on windows 10 (completely up-to-date).  After uninstalling some programs (nothing critical, such as the unity engine editor, Microsoft VS code, etc.), I've lost the ability to read most windows with NVDA.  Most programs, such as Firefox just say the word unknown for each control, while other parts of the operating system, such as context menus and the menu that comes up when you press win+x don't say anything at all.  The only thing that I recently removed that is at least tangentially related to NVDA is the mathplayer program for reading accessible math on the web, which I never got to work anyway.
>
> The troubleshooting steps that I've taken:
> * Reset NVDA to factory defaults
> * Completely removed and reinstalled NVDA
> * Run Microsoft SFC to check for corrupted system files
> * Set the NVDA logging level to debug, and looked for any errors or other clues
>
> Does anyone have any suggestions on what else I can try?  I'm desperately trying to avoid the final option of a complete system wipe and reinstall.
>
> Thank you
>
> Sean
>
> ------------------------------------------------------------------------------
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> Nvda-devel mailing list
> [hidden email]
> https://lists.sourceforge.net/lists/listinfo/nvda-devel


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Re: Problem with NVDA after uninstalling programs

David Hilton
In reply to this post by Sean Mealin
I don't know if this will help, but whenever I've had problems with nonvisual desktop access, I have run a portable version of nonvisual desktop access, to see if it is nonvisual desktop access that is causing the problem, or something else on my system. If you absolutely need to, you can run a portable version of nonvisual desktop access from your desktop in place of your installed copy. The online version is also available, you could also try another online screen your client, such as system access. For example. To see if they interact the same way on your system.

Sent from my iPhone

> On Nov 26, 2016, at 10:23 AM, Sean Mealin <[hidden email]> wrote:
>
> Hi all,
>
> I'm using NVDA 2016.3 on windows 10 (completely up-to-date).  After uninstalling some programs (nothing critical, such as the unity engine editor, Microsoft VS code, etc.), I've lost the ability to read most windows with NVDA.  Most programs, such as Firefox just say the word unknown for each control, while other parts of the operating system, such as context menus and the menu that comes up when you press win+x don't say anything at all.  The only thing that I recently removed that is at least tangentially related to NVDA is the mathplayer program for reading accessible math on the web, which I never got to work anyway.
>
> The troubleshooting steps that I've taken:
> * Reset NVDA to factory defaults
> * Completely removed and reinstalled NVDA
> * Run Microsoft SFC to check for corrupted system files
> * Set the NVDA logging level to debug, and looked for any errors or other clues
>
> Does anyone have any suggestions on what else I can try?  I'm desperately trying to avoid the final option of a complete system wipe and reinstall.
>
> Thank you
>
> Sean
>
> ------------------------------------------------------------------------------
> _______________________________________________
> Nvda-devel mailing list
> [hidden email]
> https://lists.sourceforge.net/lists/listinfo/nvda-devel

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Re: Problem with NVDA after uninstalling programs

Alberto Buffolino
In reply to this post by Leonard de Ruijter-4
Leonard de Ruijter (il 26/11/2016 18.40) ha scritto:
> I'm afraid that's it's a known problem that math player causes this.
> So, I'd reinstall that and see whether it fixes your issue.
Alberto:
...and, anyway, Math Player is useful for Wikipedia pages, where MathML
is used now. :)
Alberto

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Re: Problem with NVDA after uninstalling programs

Sean Mealin

Leonard hit the nail on the head, it was indeed math player.  Reinstalling it returned functionality back to normal.

 

David, thanks for the suggestion.  I did try running a portable copy, and installing a new copy of NVDA from scratch, but that didn't fix the problem.  This indicates to me that uninstalling math player makes system changes, rather than changing the NVDA instance. 

 

Upon further investigation, when math player isn't installed, I often see the following warning in the NVDA logs:

 

IO - inputCore.InputManager.executeGesture (13:01:50):

Input: kb(desktop):downArrow

DEBUGWARNING - IAccessibleHandler.accessibleObjectFromEvent (13:01:51):

oleacc.AccessibleObjectFromEvent with window 4261524, objectID -4 and childID 3: [Error -2147312566] Error loading type library/DLL

 

The above was recorded when I pressed the down-arrow key in the win+x menu, after math player was removed.  From looking at the NVDA code, the only DLL that I can find referenced from that trace is oleacc.dll, which appears to be a part of the Microsoft accessibility API.  So, is a conclusion from this that the uninstallation of math player changes the environment such that NVDA can no longer load that DLL?

 

Alberto, you are correct that Wikipedia now uses MathML.  Unfortunately, I never did get math player, NVDA, and Firefox to play nicely together.  Do you have any tips, since I apparently will have math player installed for the foreseeable future?

 

Thanks all

 

Sean


On Sat, Nov 26, 2016 at 1:45 PM, Alberto Buffolino <[hidden email]> wrote:
Leonard de Ruijter (il 26/11/2016 18.40) ha scritto:
> I'm afraid that's it's a known problem that math player causes this.
> So, I'd reinstall that and see whether it fixes your issue.
Alberto:
...and, anyway, Math Player is useful for Wikipedia pages, where MathML
is used now. :)
Alberto

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Re: Problem with NVDA after uninstalling programs

derek riemer
In reply to this post by David Hilton

The following batch file might be able to fix the broken dll's.

https://files.derekriemer.com/fix_dlls.bat


On 11/26/2016 10:45 AM, David Hilton wrote:
I don't know if this will help, but whenever I've had problems with nonvisual desktop access, I have run a portable version of nonvisual desktop access, to see if it is nonvisual desktop access that is causing the problem, or something else on my system. If you absolutely need to, you can run a portable version of nonvisual desktop access from your desktop in place of your installed copy. The online version is also available, you could also try another online screen your client, such as system access. For example. To see if they interact the same way on your system.

Sent from my iPhone

On Nov 26, 2016, at 10:23 AM, Sean Mealin [hidden email] wrote:

Hi all,

I'm using NVDA 2016.3 on windows 10 (completely up-to-date).  After uninstalling some programs (nothing critical, such as the unity engine editor, Microsoft VS code, etc.), I've lost the ability to read most windows with NVDA.  Most programs, such as Firefox just say the word unknown for each control, while other parts of the operating system, such as context menus and the menu that comes up when you press win+x don't say anything at all.  The only thing that I recently removed that is at least tangentially related to NVDA is the mathplayer program for reading accessible math on the web, which I never got to work anyway.

The troubleshooting steps that I've taken:
* Reset NVDA to factory defaults
* Completely removed and reinstalled NVDA
* Run Microsoft SFC to check for corrupted system files
* Set the NVDA logging level to debug, and looked for any errors or other clues

Does anyone have any suggestions on what else I can try?  I'm desperately trying to avoid the final option of a complete system wipe and reinstall.

Thank you

Sean

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Derek Riemer

  • Department of computer science, third year undergraduate student.
  • Proud user of the NVDA screen reader.
  • Open source enthusiast.
  • Member of Bridge Cu
  • Avid skiier.

Websites:
Honors portfolio
Awesome little hand built weather app!

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Re: Problem with NVDA after uninstalling programs

Travis Siegel

You should change the manually reboot to your computer will reboot now, then add a shutdown /r after the pause command.


Very cool batch file by the way.  I wouldn't have thought of doing it this way, although it's a simple approach, and much easier than most other options. :)



On 11/26/2016 4:21 PM, derek riemer wrote:

The following batch file might be able to fix the broken dll's.

https://files.derekriemer.com/fix_dlls.bat


On 11/26/2016 10:45 AM, David Hilton wrote:
I don't know if this will help, but whenever I've had problems with nonvisual desktop access, I have run a portable version of nonvisual desktop access, to see if it is nonvisual desktop access that is causing the problem, or something else on my system. If you absolutely need to, you can run a portable version of nonvisual desktop access from your desktop in place of your installed copy. The online version is also available, you could also try another online screen your client, such as system access. For example. To see if they interact the same way on your system.

Sent from my iPhone

On Nov 26, 2016, at 10:23 AM, Sean Mealin [hidden email] wrote:

Hi all,

I'm using NVDA 2016.3 on windows 10 (completely up-to-date).  After uninstalling some programs (nothing critical, such as the unity engine editor, Microsoft VS code, etc.), I've lost the ability to read most windows with NVDA.  Most programs, such as Firefox just say the word unknown for each control, while other parts of the operating system, such as context menus and the menu that comes up when you press win+x don't say anything at all.  The only thing that I recently removed that is at least tangentially related to NVDA is the mathplayer program for reading accessible math on the web, which I never got to work anyway.

The troubleshooting steps that I've taken:
* Reset NVDA to factory defaults
* Completely removed and reinstalled NVDA
* Run Microsoft SFC to check for corrupted system files
* Set the NVDA logging level to debug, and looked for any errors or other clues

Does anyone have any suggestions on what else I can try?  I'm desperately trying to avoid the final option of a complete system wipe and reinstall.

Thank you

Sean

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--

Derek Riemer

  • Department of computer science, third year undergraduate student.
  • Proud user of the NVDA screen reader.
  • Open source enthusiast.
  • Member of Bridge Cu
  • Avid skiier.

Websites:
Honors portfolio
Awesome little hand built weather app!

[hidden email]
Phone: (303) 906-2194



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Re: Problem with NVDA after uninstalling programs

Brian's Mail list account BY
Yes indeed, and looking at it it should work on all versions of windows as
well, though I've not actually tried it, at least the long winded version
should!
I think that the download obviously does not put back the registry to the
way it found it when it installed in the first place and hooked itself in to
the system. This same thing used to happen on  MS Office demos.
 Brian

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Please address personal email to:-
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----- Original Message -----
From: "Travis Siegel" <[hidden email]>
To: "NVDA screen reader development" <[hidden email]>
Sent: Saturday, November 26, 2016 9:33 PM
Subject: Re: [Nvda-devel] Problem with NVDA after uninstalling programs


> You should change the manually reboot to your computer will reboot now,
> then add a shutdown /r after the pause command.
>
>
> Very cool batch file by the way.  I wouldn't have thought of doing it
> this way, although it's a simple approach, and much easier than most
> other options. :)
>
>
>
> On 11/26/2016 4:21 PM, derek riemer wrote:
>>
>> The following batch file might be able to fix the broken dll's.
>>
>> https://files.derekriemer.com/fix_dlls.bat
>>
>>
>> On 11/26/2016 10:45 AM, David Hilton wrote:
>>> I don't know if this will help, but whenever I've had problems with
>>> nonvisual desktop access, I have run a portable version of nonvisual
>>> desktop access, to see if it is nonvisual desktop access that is causing
>>> the problem, or something else on my system. If you absolutely need to,
>>> you can run a portable version of nonvisual desktop access from your
>>> desktop in place of your installed copy. The online version is also
>>> available, you could also try another online screen your client, such as
>>> system access. For example. To see if they interact the same way on your
>>> system.
>>>
>>> Sent from my iPhone
>>>
>>>> On Nov 26, 2016, at 10:23 AM, Sean Mealin<[hidden email]>  wrote:
>>>>
>>>> Hi all,
>>>>
>>>> I'm using NVDA 2016.3 on windows 10 (completely up-to-date).  After
>>>> uninstalling some programs (nothing critical, such as the unity engine
>>>> editor, Microsoft VS code, etc.), I've lost the ability to read most
>>>> windows with NVDA.  Most programs, such as Firefox just say the word
>>>> unknown for each control, while other parts of the operating system,
>>>> such as context menus and the menu that comes up when you press win+x
>>>> don't say anything at all.  The only thing that I recently removed that
>>>> is at least tangentially related to NVDA is the mathplayer program for
>>>> reading accessible math on the web, which I never got to work anyway.
>>>>
>>>> The troubleshooting steps that I've taken:
>>>> * Reset NVDA to factory defaults
>>>> * Completely removed and reinstalled NVDA
>>>> * Run Microsoft SFC to check for corrupted system files
>>>> * Set the NVDA logging level to debug, and looked for any errors or
>>>> other clues
>>>>
>>>> Does anyone have any suggestions on what else I can try?  I'm
>>>> desperately trying to avoid the final option of a complete system wipe
>>>> and reinstall.
>>>>
>>>> Thank you
>>>>
>>>> Sean
>>>>
>>>> ------------------------------------------------------------------------------
>>>> _______________________________________________
>>>> Nvda-devel mailing list
>>>> [hidden email]
>>>> https://lists.sourceforge.net/lists/listinfo/nvda-devel
>>> ------------------------------------------------------------------------------
>>> _______________________________________________
>>> Nvda-devel mailing list
>>> [hidden email]
>>> https://lists.sourceforge.net/lists/listinfo/nvda-devel
>>
>> --
>> ------------------------------------------------------------------------
>>
>>
>>     Derek Riemer
>>
>>   * Department of computer science, third year undergraduate student.
>>   * Proud user of the NVDA screen reader.
>>   * Open source enthusiast.
>>   * Member of Bridge Cu
>>   * Avid skiier.
>>
>> Websites:
>> Honors portfolio <http://derekriemer.com>
>> Awesome little hand built weather app!
>> <http://django.derekriemer.com/weather/>
>>
>> email me at [hidden email] <mailto:[hidden email]>
>> Phone: (303) 906-2194
>>
>>
>>
>> ------------------------------------------------------------------------------
>>
>>
>> _______________________________________________
>> Nvda-devel mailing list
>> [hidden email]
>> https://lists.sourceforge.net/lists/listinfo/nvda-devel
>
>
>
> ---
> This email has been checked for viruses by Avast antivirus software.
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compiling NVDA

Travis Siegel
In reply to this post by derek riemer

I'm having trouble getting NVDA to work properly from source.  When I try to compile NVDA, I either get access denyed, or I get scons.script not found messages.  If I try to run

scons source

directly, I get access denyed, and that's because it's trying to run the scons.py file from the ~*dp0/ folder (no idea what this is)

If I try to run the scons.py directly, I get

file "scons.py"  line 10 in <module>

import Scons.Script

ImportError: No module named Scons.Script


Checking shows that indeed, there is no scons.script anywhere in my source tree.  Any ideas how to solve this one?

Thanks.



On 11/26/2016 4:21 PM, derek riemer wrote:

The following batch file might be able to fix the broken dll's.

https://files.derekriemer.com/fix_dlls.bat


On 11/26/2016 10:45 AM, David Hilton wrote:
I don't know if this will help, but whenever I've had problems with nonvisual desktop access, I have run a portable version of nonvisual desktop access, to see if it is nonvisual desktop access that is causing the problem, or something else on my system. If you absolutely need to, you can run a portable version of nonvisual desktop access from your desktop in place of your installed copy. The online version is also available, you could also try another online screen your client, such as system access. For example. To see if they interact the same way on your system.

Sent from my iPhone

On Nov 26, 2016, at 10:23 AM, Sean Mealin [hidden email] wrote:

Hi all,

I'm using NVDA 2016.3 on windows 10 (completely up-to-date).  After uninstalling some programs (nothing critical, such as the unity engine editor, Microsoft VS code, etc.), I've lost the ability to read most windows with NVDA.  Most programs, such as Firefox just say the word unknown for each control, while other parts of the operating system, such as context menus and the menu that comes up when you press win+x don't say anything at all.  The only thing that I recently removed that is at least tangentially related to NVDA is the mathplayer program for reading accessible math on the web, which I never got to work anyway.

The troubleshooting steps that I've taken:
* Reset NVDA to factory defaults
* Completely removed and reinstalled NVDA
* Run Microsoft SFC to check for corrupted system files
* Set the NVDA logging level to debug, and looked for any errors or other clues

Does anyone have any suggestions on what else I can try?  I'm desperately trying to avoid the final option of a complete system wipe and reinstall.

Thank you

Sean

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Derek Riemer

  • Department of computer science, third year undergraduate student.
  • Proud user of the NVDA screen reader.
  • Open source enthusiast.
  • Member of Bridge Cu
  • Avid skiier.

Websites:
Honors portfolio
Awesome little hand built weather app!

[hidden email]
Phone: (303) 906-2194



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