Jump to content

Cannot open file "...\Param.dat"


Recommended Posts

When I start the program, it says that it can't load the file Param.dat, Currency.dat, Countries_V6.CSV, SandiaManfacturers.CSV and CarbonBalance_Definitions.txt. I am using V6.26. If I try to do a project design I get a whole string of messages saying that it can't open the files for panels, inverters, etc. I fixed this once by reinstalling the program, but I do not have administrator rights on the computer and cannot do this again. How do I fix this?
Link to comment
Share on other sites

Actually this error message and more generally file read errors at startup may happen when the situation meets the following criteria :

- You are running PVsyst from a non-administrator session

- UAC (User Access Control of Windows) has been completely disabled by the administrator OR only the VirtualStore has been disabled

You have two solutions

1. - Either add write permissions for simple users to the PVsyst install folder (quicker but less secure).

2. - Or you can enable UAC or VirtualStore back (slower but more secure) by doing one of the following actions as an administrator :

- enable UAC again in Control Panel -> User Accounts -> Change User Account Control settings,

- only enable VirtualStore in Local Security Policy -> Local Policies -> Security Options and enabling User Account Control: Virtualize file and registry write failures to per-user locations

Although, a fix will be included in PVsyst 6.3.5 (release date to be defined) which will allow you to keep your current configuration.

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
  • Create New...