Anti-virus and spyware checking programs running on your system should be set to exclude any and all data files (this includes in the case of Advanced Accounting, TAS Professional and TAS Premier all files with the extension of B and any files in subdirectories having an extension of *.B* as well as any *.DBF and *.MDX files; in TAS/Advanced Accounting 3.0 and prior, data files had an extension of *.M*). In fact if possible you should set these programs to either not scan the application directory and its subdirectories in full, or at least limit the scans to executable file types (*.EXE) only.

In addition to the fact that these programs can create severe performance and other problems (they are known to produce Btrieve status code 85's and 3's for example, random crashing, and generally interfere with program operation), they can also produce false positive results and actually delete your data files. For example in one customer's recent experience, Panda Anti-Virus actually deleted an accounts payable check history file from the server after thinking that it contained Adware/IST.ISTBar.

Consult your anti-virus and spyware software documentation to determine how to exclude files. Some anti-virus software does not support file exclusion when running in real-time. In that event our suggestion is to either (a) only run that software "on demand" and not in real-time or (b) purchase other anti-virus/spyware software.

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