How to Fix Errors Apps Can’t be Installed, Updated or Upgraded on Windows

The applications on your Windows PC can’t be installed, and the application installer has stopped and not continued the installation. You want to update or upgrade the application to the latest version, but the installer can’t continue with error messages such as there is a previous version that needs to be removed and there is an old version or another installation process running. In this how-to guide, you’ll learn how to use Total Uninstaller to resolve these installations with ease. Total Uninstaller is the Windows uninstaller that our editors have been recommending for years, offering the most user-friendly interface, best-in-class removal capabilities, and the most affordable one-time price.

To illustrate how to fix these installation problems, we’ll be using these apps in our tutorial: SumatraPDF, Foxit Reader and Okular.

How to Fix SumatraPDF App Installation Problems with Total Uninstaller

SumatraPDF is an open source PDF reader that also supports documents in other formats such as ePub, MOBI, XPS, DjVu, CHM, CBZ and CBR.SumatraPDF is loved by users for being lightweight, fast and user-friendly. It doesn’t require much system resources and starts up quickly, making it suitable for users who don’t need complex features and just need to read documents. SumatraPDF adheres to the GPLv3 license, which means that users are free to use, modify and distribute this software. SumatraPDF is a lightweight PDF reader, but it also contains some very useful features for office users. Although SumatraPDF may not be as comprehensive as some professional PDF editors or readers, its simplicity and ease of use make it a good choice for reading and working with PDF documents in an office environment. SumatraPDF mainly supports PDF (Portable Document Format) files, which is one of the most common SumatraPDF mainly supports PDF (Portable Document Format) files, which is one of the most common electronic document formats used to ensure consistency of the layout of the document in the transmission and printing process. SumatraPDF aims to provide a simple interface to read these different types of documents, but it does not provide the ability to edit these documents. For PDF files, SumatraPDF supports basic functions such as viewing, searching, printing, rotating pages, zooming, bookmark navigation, and more. For other supported formats, SumatraPDF usually provides viewing and basic navigation features. It is a free software that does not contain any advertisements or built-in tracking features, so user privacy is protected. SumatraPDF is a good choice for users who need a simple and efficient PDF reader.

Steps to Fix Installation Errors

Step 1: Open Total Uninstaller. Please upgrade to the latest version.
Step 2: Select SumatraPDF, and click the trash icon.
Step 3: Click Start Uninstall.
Step 4: Click Delete Leftovers.
Step 5: Now, you can try to install SumatraPDF again.

How to Fix Foxit Reader App Installation Problems with Total Uninstaller

Foxit Reader is a free PDF reader developed by Foxit Software. It is widely used to open, view, print, and sign PDF files as well as fill out PDF forms. Compared to competing products such as Adobe Reader, Foxit Reader is considered to be more lightweight, faster to start and run, and has some unique features such as adding comments, annotations, and drawings directly to PDF documents. Compared to competing products such as Adobe Reader, Foxit Reader is considered more lightweight and faster to start and run. In addition to basic PDF reading functions, it also provides some annotation tools such as adding text, highlighting, drawing, etc. Foxit Reader also supports security features, including digital signatures and encryption. It also offers integration with other PDF tools and services, such as Foxit Connect and Foxit Cloud.Foxit Reader’s cloud service, often referred to as Foxit Cloud Services, provides a range of online features designed to enhance the processing and management of PDF documents. Please note that the above benefits may change as Foxit Reader and its cloud services are updated and changed. It is recommended to check the official website of Foxit Software or the relevant Terms of Service directly for the latest information. In addition, Foxit Reader offers many advanced features, such as security protection, PDF creation and editing, which may require the purchase of other versions of the software, such as Foxit PhantomPDF. Foxit Reader supports a wide range of operating systems, including Windows, macOS, Linux, and the mobile platforms iOS and Foxit Reader supports multiple operating systems, including Windows, macOS, Linux, and the mobile platforms iOS and Android. Due to its intuitive user interface and rich features, Foxit Reader has a certain user base worldwide. It is a good choice of tool for general and professional users who need to work with PDF files.

Steps to Fix Installation Errors

Step 1: Open Total Uninstaller. Please upgrade to the latest version.
Step 2: Select Foxit Reader, and click the trash icon.
Step 3: Click Start Uninstall.
Step 4: Click Delete Leftovers.
Step 5: Now, you can try to install Foxit Reader again.

How to Fix Okular App Installation Problems with Total Uninstaller

Okular is a multi-platform document viewer developed by the KDE community. It supports documents in a variety of formats, including PDF, PostScript, DjVu, CHM, XPS, ePub, and several others. Okular offers many advanced features, such as annotating documents, highlighting text, extracting text and images from documents, bookmark management, and full-text searches, etc. Okular is part of the KDE suite of applications, and is typically used with the Okular is part of the KDE application suite and is usually used with the KDE desktop environment, but can also be used independently in GNOME or other desktop environments. It is very flexible and integrates well with other KDE applications.Okular’s support for PDF files is quite comprehensive. It provides a range of features that enable users to efficiently view and edit PDF documents. Okular is a open source software, released under the GPL license, and can be freely downloaded, used, modified and distributed. Its source code is publicly available in the open source community, allowing it to be continuously improved and optimized.

Steps to Fix Installation Errors

Step 1: Open Total Uninstaller. Please upgrade to the latest version.
Step 2: Select Okular, and click the trash icon.
Step 3: Click Start Uninstall.
Step 4: Click Delete Leftovers.
Step 5: Now, you can try to install Okular again.

Conclusion

Your app installation problems should now be completely solved with the help of Total Uninstaller. Now you’ll be able to install, update or upgrade the applications you want without any problems. If you are still having these problems, please join the discussion in the comments section below and we’ll be happy to help you.