What is Sage 50 Error Code 1327. Invalid Drive: This error typically occurs when Sage 50 or its installer is trying to access a drive letter that no longer exists, is not currently mapped, or is not accessible (like a USB drive or network drive).
✅ How to Fix Sage 50 Error Code 1327
Method 1: Remap the Drive Temporarily
If the error mentions a specific drive (e.g., "Drive E:"), temporarily map a folder to that drive letter.
Steps:
-
Open Command Prompt as Administrator.
-
Type the following command:
mathematicasubst E: C:\Temp
(Replace
E:
with the drive letter mentioned in the error, and ensureC:\Temp
exists.) -
Run the Sage 50 installer again.
-
After installation, remove the mapping:
bashsubst E: /d
Method 2: Modify the Registry (Advanced)
⚠️ Warning: Modifying the registry can be risky. Back it up before making changes.
-
Press
Win + R
, typeregedit
, and hit Enter. -
Navigate to:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
-
Look for any entries referencing a non-existent drive (like
E:\
orZ:\
). -
Change those entries to a valid path, such as:
makefileC:\Users\YourName\Documents
-
Repeat for this path as well:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion
Method 3: Run as Administrator
If you're installing Sage 50 and facing this error:
Right-click the installer and choose Run as Administrator.
Ensure all external drives are properly connected.
Method 4: Update Drive Letter in Shortcut or Config
Sometimes, Sage 50 is installed on a network or external drive that has changed. Update the shortcut or configuration files to reflect the correct drive.
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