pressure sensitivity of Wacom tablet not working anymore

I am having the same issue; I was attempting to open the preferences window in CS4, and it froze. I had to ctrl+alt+del to get my computer un-frozen. I reopened the program, tried to open Preference, same result.

I searched around on forums and one suggested the way to fix this crash bug was to hold ctrl+alt+shift while booting the program to clear out the preferences. It did that, which fixed the crashing issue, but got rid of the pressure sensitivity in both the regular and blob brushes. I followed other posts on these forums about checking that pressure sensitivity was enabled in brush preferences, reinstalled the latest drivers from wacom (from April 2014), rebooted both the system and Ai, checked the Human Interface devices under device manager, but nothing helped. Instead, I find this error screen popping up every time I boot up:

I searched the entire machine, and can't even FIND WacomDesktopCenter.exe, let alone update the framework.

I'm running Windows 7, CS4, and using a Wacom Cintiq 24HD.

Any help would be greatly appreciated, as I'm on a time crunch for a client.

I had a similar problem and I was going insane.  For me though I was using Adobe Elements 11 and was using Intuos 3.  Additionally when I clicked Wacom Tablet Properties it said "THE TABLET DRIVER WAS NOT FOUND".  I tried reinstalling the driver and it seemed to work until I restarted and then I was back at square one.

I then stumbled across this link: http://zeico.tumblr.com/post/39457145207/wacom-tablet-driver-not-found-what-do

It basically instructs you to search for services in the search bar, click it, click Wacom Professional Service, restart this service, and viola the world can go back into motion.

I hope this solves your problem like it did mine.

I was having this problem for a while, but then I read through this : http://www.digitaltutors.com/forum/showthread.php?34648-Pen-pressure-sensitivity-not-working-in-photoshop  which said that the problem is caused when you open photoshop with a mouse and then switch to tablet. I closed photoshop and repoened it using the pen, and it worked for me, so I thought I would share that.

First of all, I want to throw it out there that I'm a long time illustration and production art professional who has been using Photoshop since version 1. I've used it on Macs and Windows machines. I've used Adobe suite for more than just PS, though. In my various professional guises, I've also used it for graphic design, book layouts, full production animation, video editing, web design, and a many other things. I am an all-round user.

----

I'm having pretty much the same problems as LucieG45 and Thunderpot, and the pattern of when it started is pretty annoying by its implications. Like them, I have an Inuos3 Wacom pen tablet. Other than that, I have the full Adobe Creative Suite 6, running in Windows 7 64-bit, on a really damned nice machine that's barely a month old (brand new i7 processor, wonderful high-end ASUS motherboard, full compliment of RAM, etc.). For a while after my fresh intallation of Adobe CS6, pen pressure, tilt, and all of those other wonderful brush effects were working just fine in Photoshop (with the latest Wacom driver from March 18, 2013). Then, last night at about 1am, Adobe asked to install a bunch of updates on to the entire CS6 line. So, I decided to take a break from my work, and let it update.

Upon coming back to my computer and reopening the PS file I was working on, I discovered that pressure, tilt, etc. no longer worked with my tablet. I thought for sure that it was something that restarting my PC would fix. That didn't work, so after searching over many forums, I tried the following:

1) Completely uninstall the most current Wacom drivers, restart, reinstall, plug in (as per the advice on Wacom's forums).

2) Repeat first solution after disabling Windows TebletPC Service.

3) Play with specific settings in the brush sub-menus in the vain hope that somehow PS would "wake up" to my Wacom tablet.

4) Repeatedly uninstall, restart, and reinstall *older* versions of the Wacom drivers.

None of that worked. None of it.

And you know what? Pen pressure doesn't work with Flash, either. It did before the update last night. Basically, since last night's update, I have this wonderful suite of software that has a whole mess of features that are specifically designed to take advantage of the specific pen tablet technology that Wacom supplies, that suddenly became disabled after the latest Adobe updates.

Some additional things that my searches in other forums revealed, is that this seems to be a universal problem with all Wacom products (Itnuos, Bamboo, Cintiq)  and all versions of Adobe Creative Suite since CS3. Further, it seems that every time there is a fix that is found, the next version of Adobe's updates or the next iteration of Creative Suite undoes the fixes. Even further still, this horrible trend seems to be indipendant of operating system, as I've seen Mac OS and Windows users alike become maddeningly frustrated over this (especially with Cintiqs, it seems).

This all seems pretty antithetical to any notion of customer satisfaction, especially as Wacom and Adobe dominate each of their respective markets, and as such, should make it a cooperative mandate on both of their parts to ensure their products work smoothly in concert. One would surmise that if one is to pay $2,600 for a high-end piece of software, then that piece of software should be readily and joyously compatible with the most popular brand of associated periphreal tools (id est, Wacom tablets). As it stands, I just spent $2.6k to update my software from CS3 to CS6, only to see my pen tabelt reduced to a glorified mouse.

No nuance. No purposed functionality.

I wish I'd known this before I'd updated my product. I'd have stuck with CS3 and my old machine. I'm very angry.

Contact Wacom and have them help you troubleshoot your tablet and driver.

Could be a bad connection in the tablet, a bad pen, or problems in the driver software.