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I have installed the flowcode 5.5 pro version of the on a win 7 64 bit machine for several years , so far the program was running properly.
Today i noticed when trying to compile a flowchart i get the following message:

File name: C:\Program Files (x86)\Flowcode\v5\MY DESIGN\THERMOSTAT\THERMOSTAT V3.8\THERMOSTAT V3.8.c
Title:
Description:
Generated by: Flowcode v5.5.0.1
Date: Sunday, January 05, 2020 18:09:20
Licence: Professional
Registered to: SOTIRIS MAKRIS
Licence key: GWN951
http://www.matrixmultimedia.com
Launching the compiler...
C:\Program Files (x86)\Flowcode\v5\Tools\boostc\boostc_pic18_flowcode.exe -v -t PIC18F452 "THERMOSTAT V3.8.c"
BoostC Optimizing C Compiler Version 7.04 (for PIC18 architecture)
http://www.sourceboost.com
Copyright(C) 2004-2011 Pavel Baranov
Copyright(C) 2004-2011 David Hobday


Current license key has expired. Please visit http://www.sourceboost.com for updates.
Return code = 100
Flowcode was unable to compile the flowchart's C code due to the following errors:


If your flowchart contains C code, please review this carefully. If your flowchart contains no C-code or you have thoroughly reviewed the code, contact Technical Support.


FINISHED

The same isue with the flowcode 4.5 pro version .

Οn a win xp machine both programs runs normally.

Any idea why this is happening and how to deal with it .

Regards S MAKRIS
sotmakris66@gmail.com

Hi sotos,
Have you tried the fix posted here?

Thank you martin as usual you were right , the problem was a dispute over the position of the compiler files.
The problem was resolved by deleting the key: HKEY_CURRENT_USER \ Software \ MatrixMM \ FlowCodeV5 \ Info \ SourceBoostVer

In the next attempt to compile a flowchart , v5 code reapply its license and work OK.


S MAKRIS