What operating system are you using?  What exactly does the error message say?

Have you tried reinstalling illy? Only takes 5 minutes or so.

I'm using win98 2nd editon, The error is exactly as I stated, a message box pops up stating: "illustrator cannot run"

I reinstalled both, ps6 and illustrator

ok marwa
what about installing illy in a new folder or another HD if you have.

i tried but it didnt work! still giving me the same error.

marwaG, have you upgraded your illustrator 8 to 8.01 ?

no, could this change anything?

Of course it could. I know they don't generally put all the updates in the "updates descriptions" but i would give it a try.

http://www.adobe.com/support/downloads/57be.htm

benc: Below are the guidelines posted by EE for posting comments and answers:

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Proposed answer rejected.

From EE Policy:

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Thank you,
ComTech
Community Support

Sorry for being to late to answer, but i had some network problems.

the URL you gave me is not working. http://www.adobe.com/support/downloads/57be.htm

thankx and sorry again.

Are you trying to run both at the same time?

Adobe is not out of the problems...
There is a Demo version of Illustrator 8 that needs a patch... this patch you can dowload it from adobe.com.

This msg "illustrator cannot run" is because the data of the file is out of date.

This patch from Adobe will correct the problem; Photoshop has nothing to see on this, is only an Illustrator problem.

Hello the_nikon, would you please read my post above about using the "Answer Button".

Shall reject and return to Active questions list.

ComTech
Community Support

Error "Adobe Illustrator cannot run" When Starting Illustrator 8.0.x or Later
http://www.adobe.com/support/techdocs/15872.htm

Multiple solutions posted here by Adobe.

Asta

Simply, I think you have entered the wrong serial number, Illustrator still accepts your wrong serial number but can't run

Braveman, be not so brave. MarwaG has been lost in the "answer" button shuffle.

Haven't you, MarwaG?

Peace!

--Snazzy

thank u all, but i finally installed illustrator 9 and everything is working just fine.

i no langer need adobe illustrator 8. i installed illustrator 9 and it is working just fine . i guess it have to do with compatibilities between photoshop 6 and illustrator 8 .

thank u all

Good news, at least in part.

I had some problems with Photoshop 6 and AI 8 until I updated both with patches.  Photoshop 6.01 here:

http://www.adobe.com/support/downloads/product.jsp?product=39&platform=Windows

":0)
Asta

Forgot to include what the 6.01 Photoshop update fixed, so here it is:
Adobe Photoshop 6.0.1 Update  
 
 The Adobe Photoshop 6.0.1 update fixes several problems discovered after Photoshop 6.0 was released.
Before applying the updater, please reboot your PC.

Significant fixes in the 6.0.1 release include the following:

- The painting tool brush picker has new usability improvements:
* Enter brings up and dismisses the preset picker at the current mouse location.
* Double-clicking a brush in the picker selects the brush and dismisses the picker.
* The current brush is always highlighted in the preset picker.
* The First Brush and Last Brush keyboard shortcuts (> and <) work regardless of whether the current brush exactly
matches a preset brush.
- Image clipping paths in EPS and TIFF files saved from Photoshop 6.0.1 have been modified so that other software, such as QuarkXPress, is able to read them.
- ImageReady is able to save and preview animations under constrained memory conditions.
- There is no slow-down of performance when files in the Open Recent list are unavailable.
- Batch file naming works correctly.
- Export Paths to Illustrator retains path scaling.
- Using certain tools (such as move, marquee, or lasso) after using the Open, Save, and Print commands no longer generates a Program Error dialog.
- Selecting a single color in Color Range now works correctly.
- Online help is accessible for more Web browser configurations.
- New Japanese character map (CMap) files are included to resolve conflicts with ImageStyler 1.0 and PageMaker 6.5.2 Plus.
- Memory usage is better on all Windows operating systems; the network should no longer become unavailable when Photoshop is running.
- Showing and hiding edges for a selection no longer requires pressing Ctrl+H twice.
 
System requirements
Adobe Photoshop 6.0 for Windows (English language versions only)
 
Installation instructions
After downloading a ".exe" file in Windows, double-click on the ".exe" file to access the file's contents.
Need help with downloading? See our Downloading Help documents.

To install the Photoshop 6.0.1 update:
1. Reboot your PC.
2. Disable all virus protection software.
3. Double-click the Setup.exe file.
4. Follow the on-screen instructions.
 
 
Additional notes
This update is intended only for the English version of Adobe Photoshop 6.0. If you have another language version of Adobe Photoshop 6.0, localized versions of the Photoshop 6.0.1 update will be available in the near future. Check your local Adobe Web site for availability.

This updater will only update the retail version of Adobe Photoshop 6.0/ImageReady 3.0 software. It will not update any pre-release (beta) versions. Any problems in updating the applications will be listed in a text file named "patch.err" in the main Adobe Photoshop 6.0 application folder.

To confirm that the update has run successfully, launch Photoshop and verify that the version number on the splash screen shows 6.0.1 and not 6.0. Look at the number in smaller type just below the image. If it does not show 6.0.1, you may not have a retail version. Visit the Adobe Store at http://www.adobe.com/store/, or contact your local Adobe retailer to purchase a retail version.

This update is also available on CD-ROM for US$20.00 plus shipping. In the United States and Canada, call Adobe Customer Service at 1-800-492-3623. Outside the United States and Canada, contact your local Adobe Customer Support for pricing and availability.

Outside the US and Canada, contact your local Adobe Customer Support for availability at http://www.adobe.com/support/intlsupport.html.
 

Please update/finalize this question.

Thanks,

Moondancer
Community Support Moderator @ Experts Exchange