Important Notification to customers using PS5000 Series with WES7 and Write Filter enabled

Posted: Apr. 9, 2018

Thank you very much for your continuous use of Pro-face products.
We have confirmed the following symptom on PS5000 Series with WES7 and Write Filter enabled.
The symptom and corrective measures for this problem are indicated below.
We sincerely apologize for any inconvenience this may cause you.

Symptom Descriptions

The following symptom appears on the target product below.

OS: Windows® Embedded Standard 7 Service Pack 1 (32/64bit)
Operation: Write filter function is available.

In approximately 180 days after Write filter function was enabled, pop-up screens of help menu of Microsoft® EWFMagmt.exe and FBWFmgmt.exe is displayed. (Fig. 1) At the same time, some icons on the task bar of Windows are not displayed normally. (Fig. 2) Except for the symptoms above, operation of other applications and functions is not affected.

fig. 1)

fig. 2)

Products and Versions Affected

Industrial Personal Computer (IPC):
Product NamePS5000 Series
Product Model# *1PFXP*2*****3******
Target OSWindows® Embedded Standard 7 Service Pack 1 (32bit/64bit)
Target Software VersionSV 1.0 / 2.0 / 3.0
How to Confirm Software VersionClick here.

*1 "3" of the 12th character in Part Number means WES7 32bit and "4" means WES7 64bit.


We have found that the symptom was caused by a bug peculiar to application of EWFMagmt.exe and FBWFmgmt.exe of Microsoft®. The application is installed as standard OS and is not used in our system. These problems, such as display of help menu, can be resolved by setting EWFMagmt.exe and FBWFmgmt.exe of Microsoft® to "disable" with a modification batch tool. This problem can also be resolved by using the tool after the symptom occurs.

Please download a modification batch tool and procedure from below link.

BAT Tool (Workload for Enhanced Write Filter help menu issue) *2

*2 Membership registration (free of charge) is required.


If you have any inquiries, please contact our sales office in your region.

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