Application hang when Tablet PC Input service running
I have a Dell XT2 tablet running Windows 7 64-bit Professional SP1. When running an application when the Tablet Feature is on and the Tablet PC Input service is running, a specific dialog in our app will fail to create the controls. It fails when creating
the windows handle for a treeview control I believe. The create returns a zero for failure but GetLastError() doesn't return an error. If the tablet service is not running, the application works as designed. If tiptsf.dll is loaded in the application process,
the failure will occur. This looks to be the tablet input panel. If the tablet feature is turned off, this dll is not injected in the process and therefore allows the application to function correct and the pen to work, just not the tablet panel. This particular
hang happens 4 dialogs deep in the application.
We've also had similar crashes on Win7 64 bit, but I haven't narrowed them down to the tablet service.
I'm a developer for the application in question - is there anything I can do programmatically to get past this problem while keeping the tablet features available? I've seen similar problems after googling but no one has a solution for it besides turning
off the tablet service.
Solutions to the Problem Application hang when Tablet PC Input service running
The issue you posted is related to professional level support.
Please visit the link below to find a community that will offer the support you request:
Manually editing the Windows registry
Manually editing the Windows registry to remove invalid MACHINE_CHECK_EXCEPTION keys is not recommended unless you are PC service professional. Incorrectly editing your registry can stop your PC from functioning and create irreversible damage to your operating system. In fact, one misplaced comma can prevent your PC from booting entirely!
Caution: Unless you an advanced PC user, we DO NOT recommend editing the Windows registry manually. Using Registry Editor incorrectly can cause serious problems that may require you to reinstall Windows. We do not guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.
To manually repair your Windows registry, first you need to create a backup by exporting a portion of the registry related to MACHINE_CHECK_EXCEPTION (eg. Windows Operating System):
- Click the Start button.
- Type "command" in the search box... DO NOT hit ENTER yet!
- While holding CTRL-Shift on your keyboard, hit ENTER.
- You will be prompted with a permission dialog box.
- Click Yes.
- A black box will open with a blinking cursor.
- Type "regedit" and hit ENTER.
- In the Registry Editor, select the Error 0x9C-related key (eg. Windows Operating System) you want to back up.
- From the File menu, choose Export.
- In the Save In list, select the folder where you want to save the Windows Operating System backup key.
- In the File Name box, type a name for your backup file, such as "Windows Operating System Backup".
- In the Export Range box, be sure that "Selected branch" is selected.
- Click Save.
- The file is then saved with a .reg file extension.
- You now have a backup of your MACHINE_CHECK_EXCEPTION-related registry entry.
Another Safe way to Repair the Problem: Application hang when Tablet PC Input service running:
How to Fix Application hang when Tablet PC Input service running with SmartPCFixer?
1. Download Error Fixer. Install it on your system.
2. After the scan is done, you can see the errors and problems which need to be repaired.
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