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MetaTrader "Service Error" fix

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When you drag the Autochartist Expert Advisor onto your chart, you get the following error:
9f7a36ccd2ecdadc147052b365a8a41fa40da2d7dd3f5f99158042b6d6199ec1ced1efa581ceb0d7?t=902eeefab398673660467d9b6de73673

Re-installing does not help.
To fix this, open Windows Explorer and go to:
C:\ProgramData\MDIO Software
Find the TerminalPaths.txt file and copy it to your Desktop
368fd8c881b2b34de9753b0ad2c1eb4ce7a4b667f631afae4a815bbbad67b4ae275be61c456d1cd8?t=5c75bfa5b7630d396e68e83bff03ed37

In MetaTrader, click on File and select “Open Data Folder”
3ad31664f4532b90ba056acd052cbe70b24dec21170488c965d59c7f475cfcba13ecd8d7e8ffe216?t=c8eb9f6c8f015c5f77bb9d8a0bda4444


When the data folder opens, click on the blank space at the end of the address bar to get the actual address:
784d46394a4c972aac9b00f411b3803567eb4adc79163942265772377e18efd31e0d2495b4ee8d23?t=9cf2e558641f0c6413fa2eb5fb9ad952

Highlight the address and select copy:
9fa0471968d50c6be19ce10fdc45effb519618269807a15379eedd739b78427570c6d4e2a074e9a0?t=9a50b8f503b0320960b4d74b443b232a

Double click on the TerminalPath.txt file you saved to your desktop, and it will open in Notepad.
There may be stuff already in there, go to the next line, right click, and select Paste, to paste in the address you copied in the previous step:
659224992126fd69783acfb0ae22f0c395c7bfd0373d5e7a05b84ff2e24efbf2445447cc44f91c55?t=a780940383bdbf5f4e5afae01f9dc415


Click on File and select save, then close TerminalPaths.txt
Drag the TerminalPaths.txt to the C:\ProgramData\MDIO Software folder, and it will tell you the file exists, select Overwrite:
4481aeac9d997575e9360f07c8e096274bb0d1117e93fd876fba786423c566a5135a9e252945977c?t=dd4be9c58a7d5824e030e3a58fc8fb2d

If it askes for admin access, select allow. Restart your PC and the EA should Work.
Repeat this process for each MetaTrader installation you have that has this issue.

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