Changes

<div style="background-color: #ffc0cb;">Windows Vista users: please make sure that you have all the latest The error might appear after Windows upgrades/updates and Service Packs installed before following this guide. To resolve it, please follow these steps:</divbr>[[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] using or try the following guide:steps below. == Reinstalling MultiCharts ==

# Click on Uninstall MultiCharts from your computer: #* Go to the '''Windows Start ''' menu → '''Settings''' (gear icon) → '''Apps''' #* Select MultiCharts → click Uninstall → in the Setup Wizard click Next → '''Remove'''<div style="background-color: #dd9914;">'''Note: '''Do '''NOT''' check the "Remove MultiCharts user data from computer" box, leave it clear.</div>#* Click '''Remove'''#* After the processes is complet click the '''Finish''' button# Install MultiCharts again, using a different, '''short''' directory:#* Download the installer<br>[https://www.multicharts.com/download/ '''MultiCharts''']<br>[https://www.multicharts.com/net/download/ '''MultiCharts .NET''']#* Launch the installer and click '''Install''' → in the Setup Wizard click '''Next''' → check the "''I accept the terms in the License Agreement''" box and click '''Next''' → click '''Next''' in the What's new window #* In the Destination Folder window click '''Change''' #* Change the folder name to '''C:\MC''' or '''C:\MC64''' and click '''OK''' and '''Next'''#* After the installation processes is over, click '''Finish''' == Short paths ==In case the error still appears, then 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 '''RunWindows Start menu''' and type '''Regedit'''. Press Launch the '''EnterRegistry Editor'''.

# After the system is rebooted, uninstall MultiCharts from your computer: #* Windows '''Start'''#* '''Control Panel'''#* '''Uninstall a program'''#* '''Launch MultiCharts'''#* : '''Uninstall'''#* '''Next'''#* '''Remove'''#* Do '''NOT''' check the box "Remove MultiCharts user data from computer", leave it clear#* '''Remove'''#* After the uninstall processes is completed click the '''Finish''' button# Please install MultiCharts again, using a different directory:#* If you don't have the installer saved on your local drive, please [http://www.multicharts.com/trading-softwareright-download/| download the latest release or beta version]#* Click '''Install'''#* Click '''Next''' #* Check the box "I accept the terms in the License Agreement"#* Click '''Next''' #* Click '''Next''' #* Click '''Change''' #* Change the folder name to '''C:\MC''' and click '''Ok'''#* Click '''Next'''#* After the installation processes is over click '''Finish''' button.# '''Launch MultiCharts''' by shortcut'''right-click on its icon''' and selecting > '''Run as administrator''' (''if you don't have this option, use regular double-click'').# In MultiCharts, go to '''File''' menu and select -> '''Preferences'''.# 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>

<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]].