Repair, Find or Install dcldbx120.bpl September 4, 2015October 25, 2018 Vikas Windows dcldbx120.bpl file error may occur during application runtime or when an application installed on your system stops working. Upon startup it may show an error indicating the file dcldbx120.bpl cannot be found, or it was corrupted. DLL files contain application resources and are called up during runtime. Failure to load the same results into an error message. Uninstall Incompletely Installed Program Did you install a new program recently? An incompletely installed program might cause this error. The program might have copied file but failed to register it in Windows Registry. Go to Control Panel and sort list of recently installed programs date-wise by clicking “Installed on” column head. Rollback Newly Installed Drivers Go to Device Manager. In the top node you’ll get list of all installed drivers. Check for the newly updated driver and rollback it to previous version. Boot in Safe Mode In the safe mode you only load Microsoft startups, essential drivers and system components. Use System Configuration (MSConfig) tool in Windows to customize startup mode and then restart your PC. Scan for Virus Do scan your machine for virus and malware using up-to-date virus definitions. Set periodic scan schedules using program preferences of your antivirus software. Restore the System Few days back if your computer was working fine without any error message, do restore it to an earlier point of time. System restore points are created by application software. Besides, if you created a system restore point earlier, it might be useful now. Open up the program from System Properties dialog box under System Protection tab. Uninstall Updates Your system periodically downloads new updates from Microsoft servers. View installed updates from Programs and Features category under Control Panel, and sort all updates by the date of installation. Uninstall any recently installed updates. Scan for Corrupt System Files Check the operating system files for corruption, unauthorized modifications. Dcldbx120.bpl file may be missing, deleted, moved, renamed. Running System File Checker scan might be helpful.