You may get error 1601 in Windows 7, Vista and XP when you try to update the Microsoft Office in your system˳ The name of the error is “Disk Error”˳ It has the following description:
The Windows Installer service could not be accessed˳ Contact your support personnel to verify that the Windows Installer service is properly registered˳
Reregister Installer Files in your Registry
Each DLL file is registered in the system registry database˳ You may face error code 1601 if the Installer registry keys are broken˳ To overcome the issue, re-register them by doing the following procedure:
1˳ Click Start | Run˳ Otherwise, press Windows Key + R˳
2˳ Type the following command: msiexec /unreg
3˳ Press OK or hit ENTER˳
4˳ Again, repeat Step 1˳
5˳ Type the following command: msiexec /regserver
6˳ Press OK or hit ENTER˳
Reregister Rest Portions of Installer Files and Revert Registry Damage
Registry damage is the main reason behind Windows error 1601 in Windows 7, Vista and XP˳ Revert the registry damage using a good registry cleaning software˳ Start a full registry scan and repair any problems that are found˳
1˳ Download a registry cleaner˳
2˳ Start a full registry scan˳
3˳ Fix any problems and errors found in your registry˳
4˳ Restart the system˳
Replace Corrupted System Files
The files stored in Windows installation directory can be corrupted˳ Replace them with the original versions using System File Checker tool˳ [Error 1601] will not occur by doing so˳
1˳ Insert Windows installation disc, and click Start | Run˳
2˳ Type SFC /ScanNow and press ENTER˳
Restore your Computer
To solve error code 1601, restore your computer to an earlier date˳ There is a feature in Windows called System Restore you can use for this procedure˳
1˳ Click Start˳
2˳ Click All Programs | Accessories | System Tools | System Restore˳
3˳ Click Next and follow the on screen instructions˳
Restart Service and Download a Fresh Installer
Stop the Installer service and re-start it˳ Download a system utilities software which includes Services Manager feature that can be used for this procedure˳ Otherwise, do the following instructions on your computer:
1˳ Click Start | Run, type Services˳msc and press ENTER˳
2˳ Right click Windows Installer service and select Properties option˳
3˳ From the Startup Type drop down box, select Manual option˳
4˳ Click Stop button˳
5˳ Click Apply | OK˳
6˳ Download a fresh installer for Windows Installer and install it on your computer˳
Source by https://ezinearticles˳com/?Fix-Error-1601-in-Windows-7,-Vista-and-XP&id=6542776
