Acrobat X Pro: Really slow opening files

There's a post with this name in a read-only section. I haven't posted here for years, but I'm having this problem. I bought Nitro PDF as my workaround. It's good software, but, goshdarnit, I'd really like my Acrobat Pro to work also. There's no fix posted over there, so I'm wondering if there is a fix anywhere? Thanks.

...I've uninstalled the trial and, following this, my system is working perfectly again. I'm sorry but ever since version 10 of the software was released, my system hasn't been able to use Acrobat Pro without having a nervous breakdown. It's causing trouble even when I'm not using it! I suspect this is something to do with the software that checks whether it's a trial version or legitimate copy; unfortunately, it's active all the time (much like Vista's useless build of UAC), and so the entire system grinds to a halt.
I've commented about this issue before in previous releases, but either your team at Adobe doesn't know why it affects certain computers but not others, or you do, and simply ignore the software problem. It's a shame, but I will just have to do everything through a service via your website from now on.

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Acrobat 9 Pro very slow open files over network in Windows 7

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So what exactly is Acrobat doing for those 2-3 minutes?
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2. disabling anti-virus software
3. disabling "remote differential compression"
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I think I have isolated the source of this problem. It's the Pitstop Professional 9 plug in. I un-installed this, and everything opens quicker than greased lightning. I re-installed it and it's back to slowsville.
Unfortunately Pitstop is essential to my workflow.
Until recently I did my pre-press on a Mac G5 with Acrobat Pro 7 and Pitstop 6.5. I never had this problem with slow file opening. But it seems that the delays would occur when I used the plug-in with large complex files.. So it would open files as fast as you'd expect from an elderly machine. But starting to use Pitstop would result in a prolonged period of staring at a spinning beachball.
I wonder is there any way to stop the Pitstop plug-in from initializing until it is used? So the plug-in stays inert until you select the tool from from the menus.

Adobe Acrobat 9 Pro do not open when printing a pdf document. Can anyone help?

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After installation of the CS6 suite, everything worked great. I am not sure the time frame it took to notice the problem in Acrobat X Pro the first time as the user does not use it everyday, but the program would not open. PDF files would only open if you chose to open them in Acrobat Reader and would not open in Acrobat X Pro. There were no error messages nor were there any error logs in the event viewer. The program just would not open. If that user logged out of Windows and I logged in, the program would open but only for a brief period and then would close without warning and never open again.
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Hi shortydm1964,
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My Acrobat X Pro won't open - even after a reinstall. What can I do?

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We were looking at migrating to Office 2007. To verify compatibility, several key users have loaded Office 2007 on their machines. There seems to be several problems related to opening files in Excel.
If Excel is open and the user does a File/Open, files will open quickly. However, if the user clicks on a file to open it, it can take up to a minute to open. I found a fix for this on this forum. It is to add "%1" to the end of the Open command line in the defined file types for XLS files. After this worked, I found that also needs it for the New on XLT, Open for XLSX, New on XLTM, and New XLTX files.
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I didn't seem to get much help from this forum but I will pass on the fix that I have found.
The problem doesn't have anything to do with the %1 fix that everyone is using. All that does is to open the file before Excel is fully started. In particular, before the add-ins are opened.
You can verify this by changing the command line in the File Types to use a /s parameter which will bypass loading the add-ins.
What I found was that even though I had removed the Adobe AcrobatMaker add-in, the file PDFMaker.xla was still in the XLSTART folder and was being loaded.
Since Office now has it's own PDF functionality, this is no longer needed. I did however want to keep Acrobat so that I could print PDFs from other applications and edit PDF files so I wanted to keep it. Just not in Office.
Here are the steps to remove PDFMaker from Excel.
Choose Start > Control Panel > Add/Remove Programs.
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Click Next, and then click Finish to complete the process and allow Acrobat to remove the PDFMaker component. Note: You need the installation disk to do this.
After completing this process, it is interesting that it disabled but did not remove the PDFMaker.xla add-in. It is therefore necessary to remove it manually by exploring to C:\Program Files\Microsoft Office\Office12\XLSTART and manually deleting PDFMaker.xla.
Now for those of you who have already tried the "%1" fix and found that it causes new problems and doesn't fix things, you may have already found out that when you try to remove the "%1" from the File Type Open command line, something puts it back in as %1 without the quotation marks. This causes errors when you open a document that has spaces in it's path such as unable to open C:\Documents.xlsx, Unable to open And.xlsx, unable to open Settings.xlsx. No matter how hard you try, you cannot remove the %1.
So here is 2 ways to overcome this.
You can change the parameter from %1 to "%10". This will work as long as you don't try to open 10 files at the same time.
Or you can edit your registry and remove the %1. The easiest way I found was to open the registry editor and search for excel.exe" /e %1. Notice that this is the end of the command line. When I found it, I removed the %1. If you edited more than just the Open command for XLS files, you will need to keep searching until you remove all of the changes. This will get you back to where you were before you tried the "%1" fix.
There may be other add-ins that cause similar problems. Look in the C:\Program Files\Microsoft Office\Office12\XLSTART folder to see what is really getting loaded.

Acrobat X Pro: Really slow opening files

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