Changes

The error might appear after Windows upgrades/updates. To resolve it, please follow these steps:<br># [[What is my MultiCharts User ID|Please make sure Restart your PC# Go to the '''Windows Start''' menu → '''Settings''' (gear icon) → '''Apps''' # Select MultiCharts version is → click Uninstall → in the Setup Wizard click Next → '''8.8 or any newer versionRepair''']]. If it the issue is notresolved after the repair, please [httphttps://www.multicharts.com/trading-software-downloadsupport/| update MC softwarecontact support] or try the steps below. == Reinstalling MultiCharts ==# Close all MultiCharts products and make sure all [[MultiCharts Processes]]are finished in Windows Task Manager.

#* Windows Go to the '''Windows Start'''#* menu → '''Control PanelSettings'''#* (gear icon) → '''Uninstall a programApps'''#* '''Select MultiCharts'''#* '''→ click Uninstall→ in the Setup Wizard click Next → '''#* Remove'''Next'''<div style="background-color: #* dd9914;">'''RemoveNote: '''#* Do '''NOT''' check the box "Remove MultiCharts user data from computer"box, leave it clear.</div>#* Click '''Remove'''#* After the uninstall processes is completed complet click the '''Finish''' button# Please install Install MultiCharts again, using a different , '''short''' directory:#* If you don't have Download the installer saved on your local drive, please <br>[httphttps://www.multicharts.com/trading-software-download/| '''MultiCharts''']<br>[https://www.multicharts.com/net/download the latest release or beta version/ '''MultiCharts .NET''']#* Click Launch the installer and click '''Install'''#* Click → in the Setup Wizard click '''Next''' #* Check → check the box "''I accept the terms in the License Agreement''"#* Click box and click '''Next''' #* Click → click '''Next''' in the What's new window #* Click In the Destination Folder window click '''Change''' #* Change the folder name to '''C:\MC''' or '''C:\MC64''' and click '''OkOK'''#* Click and '''Next'''#* After the installation processes is over , click '''Finish''' button == Short paths ==In case the error still appears, it means that there is an issue with short paths.<br> To resolve it, please follow these steps:# Close all MultiCharts products and make sure all [[MultiCharts Processes]] are finished in Windows Task Manager.# Go to the '''Windows Start menu''' and type '''Regedit'''. Launch the '''Registry Editor'''.# In the Registry open the path: '''HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem'''# Change the value of the '''NtfsDisable8dot3NameCreation''' key to '''0'''.# Reboot the operation system. After the system is rebooted, # '''Launch MultiCharts''' by : '''right-click on its iconthe shortcut''' and selecting -> '''Run as administrator''' (''if you don't have this option, use regular double-click'').# In MultiCharts, go to '''File''' menu and select -> '''PropertiesPreferences'''.# On In the '''DirectoriesMisc''' tab change the Studies directory of the folder with your studies by clicking : click the '''...''' button for '''Studies''' (remember the old path). It is important to use a simple path. We recommend creating '''C:\MyStudies'''.<div style="background-color: #E3FBE5;">'''Note:''' The Permissions for this new folder should be set to '''Full Control''' for all users that will access this folder in the PowerLanguage Editor. </div>

# Copy the whole '''Studies''' folder from the old location (for MC 32 bit: %allusersprofile%\TS Support\MultiCharts\StudyServer; for MC 64 bit: %allusersprofile%\TS Support\MultiCharts\StudyServer) to the new one (replacing the existing files).

<br>If your MultiCharts version is '''below 8.8''' and you are unable to update please follow these instructions:# Open the '''compiler_error.log file'''. Depending on what path is written in the file you will have to rename several folders in one of 2 possible locations::* '''C:\ProgramData\TS Support\...''' (example for Windows 7/8); '''C:\Documents and Settings\All Users\Application Data\TS Support\...''' (example for Windows XP):* '''C:\Program Files\TS Support\...''' or '''C:\Program Files (x86)\TS Support\...''' depending on your Windows and MultiCharts version.::# Rename the '''TS Support''' folder into '''TS SupportOld'''. Create new folder '''TS Support'''. Move everything from '''TS SupportOld''' into the new '''TS Support'''. Delete the '''TS SupportOld''' folder.::# Open the new '''TS Support''' folder. Rename the '''MultiCharts''' folder into '''MultiChartsOld'''. Create new folder '''MultiCharts'''. Move everything from '''MultiChartsOld''' into the new '''MultiCharts'''. Delete the '''MultiChartsOld''' folder.::# Open the new '''MultiCharts''' folder. Rename the '''StudyServer''' folder into '''StudyServerOld'''. Create new folder '''StudyServer'''. Move everything from '''StudyServerOld''' into the new '''StudyServer'''. Delete the '''StudyServerOld''' folder. == TEMP folders ==

Run PowerLanguage, create a new study (any type) and try to compile it. It should be compiled without any errors. If the issue persists, please contact our support team in [[http://messenger.providesupport.com/messenger/tssupport.html| Live Chat]].