Yesterday I was walking through this tutorial and I was able to run every package, but when I tried to execute the script today I wasn't able to load libraries that I had already installed (e.g. BiocStyle and GenomicFeatures). The error that I keep getting is attached below. Thus far I've tried every suggestion on this thread but nothing has worked. Is there anyway to restore these packages in R 3.5.0?
> install.packages("BiocStyle", repos="https://bioconductor.org/biocLite.R", dependencies=TRUE) Installing package into ‘C:/Users/KimLab/Documents/R/win-library/3.5’ (as ‘lib’ is unspecified) Warning in install.packages : unable to access index for repository https://bioconductor.org/biocLite.R/src/contrib: cannot open URL 'https://bioconductor.org/biocLite.R/src/contrib/PACKAGES' Warning in install.packages : package ‘BiocStyle’ is not available (for R version 3.5.0) Warning in install.packages : unable to access index for repository https://bioconductor.org/biocLite.R/bin/windows/contrib/3.5: cannot open URL 'https://bioconductor.org/biocLite.R/bin/windows/contrib/3.5/PACKAGES' > sessionInfo() R version 3.5.0 (2018-04-23) Platform: x86_64-w64-mingw32/x64 (64-bit) Running under: Windows >= 8 x64 (build 9200) Matrix products: default locale:  LC_COLLATE=English_United States.1252  LC_CTYPE=English_United States.1252  LC_MONETARY=English_United States.1252  LC_NUMERIC=C  LC_TIME=English_United States.1252 attached base packages:  stats graphics grDevices utils datasets methods base other attached packages:  BiocInstaller_1.30.0 loaded via a namespace (and not attached):  Rcpp_0.12.17 locfit_1.5-9.1  lattice_0.20-35 assertthat_0.2.0  digest_0.6.15 SingleCellExperiment_1.2.0  mime_0.5 R6_2.2.2  GenomeInfoDb_1.16.0 plyr_1.8.4  stats4_3.5.0 ggplot2_2.2.1  pillar_1.2.3 zlibbioc_1.26.0  rlang_0.2.0 lazyeval_0.2.1  data.table_1.11.2 S4Vectors_0.18.2  Matrix_1.2-14 BiocParallel_1.14.1  RCurl_1.95-4.10 munsell_0.4.3  shiny_1.1.0 DelayedArray_0.6.0  compiler_3.5.0 httpuv_1.4.3  vipor_0.4.5 pkgconfig_2.0.1  BiocGenerics_0.26.0 ggbeeswarm_0.6.0  htmltools_0.3.6 tidyselect_0.2.4  SummarizedExperiment_1.10.1 tibble_1.4.2  gridExtra_2.3 GenomeInfoDbData_1.1.0  edgeR_3.22.2 IRanges_2.14.10  matrixStats_0.53.1 viridisLite_0.3.0  dplyr_0.7.5 later_0.7.2  bitops_1.0-6 grid_3.5.0  xtable_1.8-2 gtable_0.2.0  magrittr_1.5 scales_0.5.0  XVector_0.20.0 viridis_0.5.1  promises_1.0.1 bindrcpp_0.2.2  limma_3.36.1 DelayedMatrixStats_1.2.0  tools_3.5.0 Biobase_2.40.0  glue_1.2.0 beeswarm_0.2.3  purrr_0.2.4 parallel_3.5.0  yaml_2.1.19 colorspace_1.3-2  GenomicRanges_1.32.3 shinydashboard_0.7.0  bindr_0.1.1