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# After the system is rebooted, follow the guide according to your MultiCharts version.
[[What is my MultiCharts User ID|Please make sure your MultiCharts version is '''8.8 or any newer version''']]. If it is not, please [http://www.multicharts.com/trading-software-download/| update MC software] using the following guide:# Uninstall MultiCharts from your computer: #* Windows '''Start'''#* '''Control Panel'''#* '''Uninstall a program'''#* '''MultiCharts'''#* '''Uninstall'''#* '''Next'''#* '''Remove'''#* Do '''NOT''' check the box "Remove MultiCharts user data from computer", leave it clear#* '''Remove'''#* After the uninstall processes system is completed click the '''Finish''' button# Please install MultiCharts againrebooted, using a different directory:#* If you don't have the installer saved on your local drive, please [http://www.multicharts.com/trading-software-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 : '''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 -> '''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>
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<br>== TEMP folders ==
The error might appear after Windows upgrades/updates. To resolve it, please follow these steps:<div style="background-color: br># Restart your PC#ffc0cb;">Go to the '''Windows Vista usersStart''' menu → '''Settings''' (gear icon) → '''Apps''' # Select MultiCharts → click Uninstall → in the Setup Wizard click Next → '''Repair'''If the issue is not resolved after the repair, please [https: please make sure that you have all //www.multicharts.com/support/ contact support] or try the latest Windows updates and Service Packs installed before following this guidesteps below. </div> == Reinstalling MultiCharts ==
# Close all MultiCharts products and make sure all [[MultiCharts Processes]] are finished in Windows Task Manager.
# 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'''.
# 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.
# Close MultiCharts.
# Make sure all [[MultiCharts Processes]] are ended in the Windows Task Manager.
# 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).
# Restart MultiCharts.
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)
::# 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.
In case an empty Study still does not compile, the location of system TEMP and TMP folders should be changed:
# Click '''Windows Start''' button.
# In the opened window, change Variable Value to '''C:\Windows\Temp''' and click OK.
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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]].
[[Category:FAQ]]
