that error has nothing to do with SyncBackSE. A quick google search on the topic seems to indicate that it's related to your computer account and domains:
http://answers.microsoft.com/en-us/office/forum/office_2010-outlook/outlook-error-instant-is-not-available-when/09c50b55-e60d-4a6f-85b3-7242538c9fda
http://answers.microsoft.com/en-us/office/forum/office_2010-outlook/instant-search-is-not-available-when-outlook-is/84277d5e-9ccf-4c22-aff2-737a9c53d25f
http://answers.microsoft.com/en-us/office/forum/office_2010-outlook/programs-compatibility-administrator-permissions/962790d0-e93b-4e01-b464-745daaab1139
SyncBackSE is able to copy open/locked files, unless of course the pre-requisites to doing so is not met:
http://support.2brightsparks.com/knowle ... backse-pro
SyncBackSE will not close and open ANY application without your explicit instructions to do so. If you feel SyncBackSE is closing Outlook and then re-opening it after copying the PST file, please provide proof to support this claim.
http://answers.microsoft.com/en-us/office/forum/office_2010-outlook/outlook-error-instant-is-not-available-when/09c50b55-e60d-4a6f-85b3-7242538c9fda
http://answers.microsoft.com/en-us/office/forum/office_2010-outlook/instant-search-is-not-available-when-outlook-is/84277d5e-9ccf-4c22-aff2-737a9c53d25f
http://answers.microsoft.com/en-us/office/forum/office_2010-outlook/programs-compatibility-administrator-permissions/962790d0-e93b-4e01-b464-745daaab1139
SyncBackSE is able to copy open/locked files, unless of course the pre-requisites to doing so is not met:
http://support.2brightsparks.com/knowle ... backse-pro
SyncBackSE will not close and open ANY application without your explicit instructions to do so. If you feel SyncBackSE is closing Outlook and then re-opening it after copying the PST file, please provide proof to support this claim.