SolidWorks 2010 is saving slow

Hi.

We have Clients using SolidWorks 2010.
All drawings are stored on a networkshare. The users are opening and saving directely on the network share.

But one client is using Windows 7 64bit and when he is saving a drawing it takes very long time!
it can take up to 30 seconds to save a little simple file. All clients are running 1gbps wich is running fine.

Users with Windows XP sp3 32bit is working fine with the save function.
users with WIndows XP sp2 64bit is working fine with the save function.

Any ideas to a solution?

best regards
MontesdatasystemerAsked:
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centervCommented:
have you checked the requirements and updates?

http://www.solidworks.com/sw/support/SystemRequirements.html 
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gheistCommented:
Antivirus software and "opportunistic locking" causes serious network speed issues for uncommon file formats.
ask google for oplocks in site:.microsoft.com

first disable client side, then server side if it helped.
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MontesdatasystemerAuthor Commented:
Hi.

All requirements and updates is ok from Solid Works.

We are using Microsoft Forefront. And i allso tried to disable that without any difference.

It only goes slow when i am saving from inside the program Solid Works.

When i copy the same data as i just saved it goes very fast, So the problem is only through Solid.

Any other ideas?
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centervCommented:
Checking with company support or reinstalling would be my only other input.
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gheistCommented:
SolidWorks support bulletin:

Nov 03, 2009         Why might SolidWorks 2010 (or SolidWorks Explorer 2010) not start after rebooting the computer?

This is a known issue that only appears under the following conditions:
Microsoft Windows® XP 32-bit + specific Data Execution Prevention (DEP) settings.
The problem has been submitted to the SolidWorks Development team with the SPR below:
SPR 524232: SolidWorks 2010 no longer starts after the computer has been restarted. Note that using another user account to start SolidWorks via Run As allows SolidWorks to start until next reboot...
 
The workaround to this is as follows:
1. Right Mouse Button on My Computer and select Properties
2. On the Advanced tab>Performance>click Settings
3. Go to the Data Execution Prevention tab and most likely the setting "Turn on DEP for all programs and services except those I select" will be active
4. In the exception list see if Windows Explorer (explorer.exe) is listed. If it is, then select it and choose to Remove it from the list
5. OK out of all settings windows and reboot.
 
Special case:
When doing Step 3 above if the user currently has the option "Turn on DEP for essential Windows programs and services only" active, then do these alternate steps:
4. Toggle the other DEP option on so the list of possibly previously specified exceptions can be accessed
5. If Windows Explorer is in that exceptions list, then do the following process:
     a. Remove Windows Explorer from the list
     b. Reboot
     c. Go back in the DEP interface again and set the option back to “Turn on DEP for essential Windows programs and services only"
     d. Reboot once more.
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MontesdatasystemerAuthor Commented:
After trying all possible opportunities posted with no luck, we talked with Solid Works Support,

They had som opportunities but it doesnt solve the problem. XP x64 again
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