I Can’t Install Anything On My Computer Windows 7 (Fixed)

In this article, I’ll walk you through why your computer Windows 7 might not be allowing you to install anything.

And also give you some simple ways to fix this problem.

Let’s get started.

How to Fix Windows 7 Won’t Allow to Install Anything

I Can’t Install Anything On My Computer Windows 7 (Fixed)

You should try the following methods to solve your computer installation issues.

Enable Installer

When your computer Windows 7 isn’t installing anything you should ensure that the Windows installer service is not set to disable.

Here is how you can do this:

1. Click on Start from the taskbar, and type services.msc in the search box. You can also press Win+R to and type services.msc in the dialogue box.

2. Next, press enter to open the services. > Right click on the Window installer.

3. Select Properties > if the startup box is selected to Disable, change it to Manual.

4. Click Ok to save changes and close the properties window.

5. Then right click on the window installer, and click Start. > Then service will start without any error.

6. Now you can try installing/uninstalling the software.

Run System File Check

If the windows installer is set to manual and isn’t disabled you should try to run the system file check to find the missing or corrupted files.

Here are steps to run the system file check:

Click start from the taskbar.

Then type CMB in the search bar.
Right click on the CMD.exe, and select it to run as an administrator.
Next, on the user account prompt, click Yes.

In the command prompt window type SFC / scannow and press enter.
Your system file checker will detect and repair files if required.
Once the process is finished, reboot your PC for better results.

Clean Boot PC

Another way you can find the reason for this problem is by cleanly booting your PC. it will help you to determine whether there is software causing this issue.

As in the clean boot your windows will run with a minimal set of drivers and software, you’ll be able to determine what kind of background software is causing this problem.

Here is how you can clean boot your device:

Sign into your computer administrator, press Start from the taskbar.
Then type msconfig in the search box, and select system configuration from the results list.
On the services tab hide all Microsoft services, then choose disable all and click apply.

Next, open the task manager from the startup tab.
On the startup tab, for each enabled startup item, select the item and choose disable.
Then close the task manager tab.

On the startup tab click Ok, now your computer will start in a clean environment.

Once you’ve cleanly booted your PC and troubleshooting the problem, you will need to reset the PC to start and function properly.

Check Window Installer Version

You should also check the windows installer version for your computer, it might be outdated or corrupted.

Here is how you can check and update it:

Click Start from the taskbar, and type cmd in the search box.
Click run and then type services.msc in the dialogue box, press enter to open the command prompt window.

Next, at the command prompt type MSIExec then press Enter. If the MSI engine is working you will receive an error message, and a separate dialogue box will be opened.
It will show you the Msi version, if the installer is not the 4.5 version you should download the windows installer 4.5.
Now you should try installing or uninstalling the software.

Reboot your PC

In the end if you are still facing the similar problem on your windows 7 PC, you should reboot/power cycle your device.

As this issue can be caused with your device due to the software malfunctioning, incompletely running OS, or temporary device glitch.

Here is how you can reboot your PC:

Press Start from the taskbar, and select shut down.
Wait until it turns off, unplug the AC power adapter once it turns off.
After about 1-5 minutes plug it back into the socket.

Once your device is completely rebooted and turned back on, you should install software or other files to ensure the problem is solved.

Additional Method

Here are a few additional steps that you can use to solve your Windows 7 installation problems.

Click Start from the taskbar and type “regedit” in the search bar.

And then click “HKEY_CLASSES_ROOT.”
Click Msi.package > and then Shell.
Right click on Shell > select New > and then Key.

Name it “runas.” then right click on “default” and select Modify.
Type “install as &administrator” in the Value Data box > click Ok.
Next, right click on “runas” select new and then key > type command.