a stream Why do I encounter the "CitrixEngine: 51 - VerifyText failed, OCR operation failed - -986" during replay? The above error message has been known to occur during replay if you have "Data Execution Prevention" (DEP) installed and configured to run for "all programs and services". DEP was introduced in Service Pack 2 for Windows XP and Service Pack 1 for Windows 2003; it is set of hardware and software technologies that perform additional checks on memory to help prevent malicious code from running on a system. On occasions users who have it enabled for all programs and services have found that it can cause verifications to fail with the above error message being reported during execution of a Citrix BDF script. To verify if DEP is causing the above error message, please do the following: Right click on My Computer and select Properties Click on Advanced Click on Settings in the Performance section Click on Data Execution Prevention Ensure that the radio button "Turn on DEP for essential windows programs and services only" is enabled before executing the BDF script and verifying if the error message is still being reported. If the error is still being reported then pelase contact Borland technical Support for further assistance. Note: You will be required to reboot your computer upon changing the DEP settings. Old KB# 17240
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