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Technical support is provided through Support Forums below. Anybody can view them; you need to Register/Login to our site (see links in upper right corner) in order to Post questions. You do not have to be a licensed user of our product.

Please read Rules for forum posts before reporting your issue or asking a question. OPC Labs team is actively monitoring the forums, and replies as soon as possible. Various technical information can also be found in our Knowledge Base. For your convenience, we have also assembled a Frequently Asked Questions page.

Do not use the Contact page for technical issues.

Subject Replies / Views Last Post
Could not load file or assembly 'OpcNetApi, Version=5.53.405.1
Category: General Issues, Building
Topic started 31 Dec 2018 09:54, by usmanshahid
Last Post 31 Dec 2018 11:12
by support
Replies:1
Views:3215
Last Post by support
31 Dec 2018 11:12
Could not load file or assembly 'EasyOpcDANet'
Category: General Issues, Building
Topic started 18 Dec 2018 13:45, by rijnhardt
Last Post 20 Dec 2018 14:42
by support
Replies:5
Views:3219
Last Post by support
20 Dec 2018 14:42
System.Runtime.InteropServices.SEHException in RawEasyDAClient
Category: General Issues, Building
Topic started 31 Oct 2018 13:37, by PLARAC
Last Post 05 Nov 2018 09:30
by support
Replies:3
Views:3132
Last Post by support
05 Nov 2018 09:30
QuickOPC 5.23
Category: General Issues, Building
Topic started 18 Oct 2018 08:59, by veve17
Last Post 19 Oct 2018 11:38
by veve17
Replies:2
Views:2586
Last Post by veve17
19 Oct 2018 11:38
(Cannot locate the EasyDAClient component)
Category: General Issues, Building
Topic started 19 Oct 2018 07:42, by support
Last Post 19 Oct 2018 07:55
by support
Replies:1
Views:2295
Last Post by support
19 Oct 2018 07:55
EasyOPC-DA.NET 5.0 Demo Application
Category: General Issues, Building
Topic started 26 Aug 2010 08:20, by support
Last Post 18 Sep 2018 07:28
by support
Replies:3
Views:5961
Last Post by support
18 Sep 2018 07:28
Having issues running 5.53 on development box - "Exception occurred creating type'OpcLabs.EasyOpc....."
Category: General Issues, Building
Topic started 10 Aug 2018 21:16, by Restrepo
Last Post 29 Aug 2018 14:37
by gkalipershad
Replies:5
Views:3423
Last Post by gkalipershad
29 Aug 2018 14:37
Performance with large number of variables
Category: General Issues, Building
Topic started 09 Apr 2018 15:55, by mpp
Last Post 12 Jun 2018 15:26
by support
Replies:14
Views:7831
Last Post by support
12 Jun 2018 15:26
Form crashes when open de .cs of the form in VS
Category: General Issues, Building
Topic started 04 Jan 2018 17:16, by IsmaelGalaviz1995
Last Post 20 Apr 2018 20:13
by support
Replies:4
Views:5131
Last Post by support
20 Apr 2018 20:13
Creating multiple EasyDAClient objects, blocking
Category: General Issues, Building
Topic started 25 Jul 2016 17:39, by support
Last Post 09 Apr 2018 17:11
by mpp
Replies:11
Views:9222
Last Post by mpp
09 Apr 2018 17:11
How to..?
Category: General Issues, Building
Topic started 23 Mar 2018 10:56, by netcloudengineering
Last Post 23 Mar 2018 11:08
by support
Replies:1
Views:3516
Last Post by support
23 Mar 2018 11:08
Re: OPC Server
Category: General Issues, Building
Topic started 31 Jan 2018 12:56, by Cisowski
Last Post 01 Feb 2018 11:56
by support
Replies:3
Views:3788
Last Post by support
01 Feb 2018 11:56
Use of EasyDAClient throws VS 2017 exception
Category: General Issues, Building
Topic started 05 Jan 2018 22:34, by bobday
Last Post 16 Jan 2018 06:57
by support
Replies:25
Views:13.2k
Last Post by support
16 Jan 2018 06:57
licx file preventing build, and Form Design issue with assembly references
Category: General Issues, Building
Topic started 15 Jan 2018 22:35, by bobday
Last Post 15 Jan 2018 22:35
by bobday
Replies:0
Views:3235
Last Post by bobday
15 Jan 2018 22:35
memory and handles leak in 64 bit version ?
Category: General Issues, Building
Topic started 01 Dec 2017 08:39, by Georges
Last Post 03 Dec 2017 19:53
by Georges
Replies:2
Views:4161
Last Post by Georges
03 Dec 2017 19:53
Using OPC causes BitDefender to kill executable
Category: General Issues, Building
Topic started 26 Sep 2017 14:13, by WordsLikeJared
Last Post 28 Sep 2017 07:20
by support
Replies:3
Views:4481
Last Post by support
28 Sep 2017 07:20
"Class not registered" error
Category: General Issues, Building
Topic started 26 Sep 2017 17:41, by tlaford
Last Post 27 Sep 2017 12:32
by tlaford
Replies:2
Views:7452
Last Post by tlaford
27 Sep 2017 12:32
Building with .Net 4.6.2 and x64 causes InvalidOperationException
Category: General Issues, Building
Topic started 01 Feb 2017 13:55, by Erik
Last Post 30 Mar 2017 15:26
by support
Replies:13
Views:10.8k
Last Post by support
30 Mar 2017 15:26
pdb not included
Category: General Issues, Building
Topic started 10 Feb 2017 13:15, by seecisud
Last Post 05 Mar 2017 14:54
by support
Replies:8
Views:6491
Last Post by support
05 Mar 2017 14:54
What's the different between QuickOPC and OPCDataClient?
Category: General Issues, Building
Topic started 27 Dec 2016 02:17, by Li
Last Post 27 Dec 2016 14:11
by support
Replies:2
Views:5232
Last Post by support
27 Dec 2016 14:11
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